Darkslateblue
darkslateblue · #483D8B
HEX
#483D8B
RGB
rgb(72, 61, 139)
CMYK
cmyk(48%, 56%, 0%, 45%)
HSL
hsl(248, 39%, 39%)
LAB
lab(30.8, 26.1, -42.1)
What is Darkslateblue?
Darkslateblue is the darkslateblue reference in the CSS Named Colors. Its sRGB value is #483D8B (rgb 72, 61, 139). It sits in the blue family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Darkslateblue as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Darkslateblue
An 11-step tonal scale derived from Darkslateblue (#483D8B). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F0EFF6
#F0EFF6
100
#E2E0EC
#E2E0EC
200
#C4C1DA
#C4C1DA
300
#A49EC5
#A49EC5
400
#766EA8
#766EA8
500
#483D8B
#483D8B
600
#3D3476
#3D3476
700
#2F285A
#2F285A
800
#201B3F
#201B3F
900
#120F23
#120F23
950
#090711
#090711
Lighter tints (mixed with white)
15%
#7D79A4
30%
#9F9CB8
45%
#B9B7CA
60%
#CFCEDA
75%
#E3E2E9
Darker shades (mixed with black)
15%
#423881
30%
#3C3376
45%
#352C69
60%
#2D255A
75%
#221C48
Color harmonies for Darkslateblue
Classic color-theory harmonies derived from rotating the hue of Darkslateblue. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#483D8B
#483D8B
#808A3D
#808A3D
Triadic
Three colors 120° apart
#483D8B
#483D8B
#8A473D
#8A473D
#3D8A47
#3D8A47
Analogous
Two neighbors ±30° on the wheel
#3D598A
#3D598A
#483D8B
#483D8B
#6E3D8A
#6E3D8A
Split-complementary
Base + two colors flanking its complement
#483D8B
#483D8B
#8A6E3D
#8A6E3D
#598A3D
#598A3D
Tetradic
Two complementary pairs
#483D8B
#483D8B
#8A3D80
#8A3D80
#808A3D
#808A3D
#3D8A47
#3D8A47
Square
Four colors evenly spaced 90° apart
#483D8B
#483D8B
#8A3D59
#8A3D59
#808A3D
#808A3D
#3D8A6E
#3D8A6E
Darkslateblue in every color space
Full conversion of Darkslateblue across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#483D8B
RGB
rgb(72, 61, 139)
CMYK
cmyk(48%, 56%, 0%, 45%)
HSL
hsl(248, 39%, 39%)
HSV
hsv(248, 56%, 55%)
HWB
hwb(248 24% 45%)
CIE Lab
lab(30.8 26.1 -42.1)
OKLCH
oklch(41.4% 0.125 286.0)
XYZ (D65)
xyz(9.00, 6.58, 25.22)
Copy-ready code for Darkslateblue
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #483D8B;
background-color: #483D8B;CSS variable
:root {
--color-darkslateblue: #483D8B;
}Tailwind config
// tailwind.config.js
colors: {
'darkslateblue': '#483D8B',
}Sass
$color-darkslateblue: #483D8B;Swift UIColor
UIColor(red: 0.282, green: 0.239, blue: 0.545, alpha: 1.0)Android XML
<color name="darkslateblue">#483D8B</color>Closest match in every color system
The nearest Darkslateblue equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in CSS Named Colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 5000
#354D73
Violet blue
RAL 5005
#1E2460
Signal blue
RAL 5017
#063971
Traffic blue
RAL 5022
#252850
Night blue
RAL 4005
#6C4675
Blue lilac
RAL 5002
#20214F
Ultramarine blue
FAQ about Darkslateblue
What is the HEX code for Darkslateblue?
Darkslateblue (darkslateblue) has the HEX code #483D8B. In RGB it is rgb(72, 61, 139), and in CMYK it is cmyk(48%, 56%, 0%, 45%).
What is the OKLCH value of Darkslateblue?
Darkslateblue converts to oklch(0.414 0.125 286.0). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Darkslateblue accessible for body text?
Used as a background, Darkslateblue has a contrast ratio of 2.32:1 with black text and 9.07:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Darkslateblue?
The closest Pantone reference to Darkslateblue by ΔE2000 perceptual distance is Pantone 261 C (#4B2E83). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Darkslateblue?
The closest RAL Classic reference to Darkslateblue by ΔE2000 distance is RAL 5000 (Violet blue, #354D73). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Darkslateblue?
The complementary color (180° opposite on the HSL color wheel) of Darkslateblue is #808A3D. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
CSS Named Colors (CSS Color Module Level 4)
The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.
- Source type
- derived
- Confidence
- high
- License
- W3C permissive document license
- Last reviewed
- 2026-05-24
Workflow tags
CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.