Slate 700
slate-700 · #334155
HEX
#334155
RGB
rgb(51, 65, 85)
CMYK
cmyk(40%, 24%, 0%, 67%)
HSL
hsl(215, 25%, 27%)
LAB
lab(27.1, 0.1, -13.8)
What is Slate 700?
Slate 700 is the slate-700 reference in the Tailwind CSS palette. Its sRGB value is #334155 (rgb 51, 65, 85). It sits in the neutral family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Slate 700 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Slate 700
An 11-step tonal scale derived from Slate 700 (#334155). 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
#EFF0F1
#EFF0F1
100
#DEE1E4
#DEE1E4
200
#BEC2C9
#BEC2C9
300
#99A0AA
#99A0AA
400
#667180
#667180
500
#334155
#334155
600
#2B3748
#2B3748
700
#212A37
#212A37
800
#171D26
#171D26
900
#0D1015
#0D1015
950
#06080A
#06080A
Lighter tints (mixed with white)
15%
#757A83
30%
#9A9DA2
45%
#B6B8BC
60%
#CDCFD1
75%
#E2E2E4
Darker shades (mixed with black)
15%
#2F3C4F
30%
#2A3647
45%
#25303F
60%
#1E2836
75%
#161E2A
Color harmonies for Slate 700
Classic color-theory harmonies derived from rotating the hue of Slate 700. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#334155
#334155
#564834
#564834
Triadic
Three colors 120° apart
#334155
#334155
#563442
#563442
#425634
#425634
Analogous
Two neighbors ±30° on the wheel
#345356
#345356
#334155
#334155
#373456
#373456
Split-complementary
Base + two colors flanking its complement
#334155
#334155
#563734
#563734
#535634
#535634
Tetradic
Two complementary pairs
#334155
#334155
#483456
#483456
#564834
#564834
#425634
#425634
Square
Four colors evenly spaced 90° apart
#334155
#334155
#563453
#563453
#564834
#564834
#345637
#345637
Slate 700 in every color space
Full conversion of Slate 700 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
#334155
RGB
rgb(51, 65, 85)
CMYK
cmyk(40%, 24%, 0%, 67%)
HSL
hsl(215, 25%, 27%)
HSV
hsv(215, 40%, 33%)
HWB
hwb(215 20% 67%)
CIE Lab
lab(27.1 0.1 -13.8)
OKLCH
oklch(37.2% 0.039 257.3)
XYZ (D65)
xyz(4.89, 5.14, 9.33)
Copy-ready code for Slate 700
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: #334155;
background-color: #334155;CSS variable
:root {
--color-slate-700: #334155;
}Tailwind config
// tailwind.config.js
colors: {
'slate-700': '#334155',
}Sass
$color-slate-700: #334155;Swift UIColor
UIColor(red: 0.200, green: 0.255, blue: 0.333, alpha: 1.0)Android XML
<color name="slate-700">#334155</color>Closest match in every color system
The nearest Slate 700 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 Tailwind CSS palette
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 5020
#1D334A
Ocean blue
RAL 7015
#434750
Slate grey
RAL 5000
#354D73
Violet blue
RAL 7024
#474A51
Graphite grey
RAL 7026
#2F353B
Granite grey
RAL 5017
#063971
Traffic blue
FAQ about Slate 700
What is the HEX code for Slate 700?
Slate 700 (slate-700) has the HEX code #334155. In RGB it is rgb(51, 65, 85), and in CMYK it is cmyk(40%, 24%, 0%, 67%).
What is the OKLCH value of Slate 700?
Slate 700 converts to oklch(0.372 0.039 257.3). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Slate 700 accessible for body text?
Used as a background, Slate 700 has a contrast ratio of 2.03:1 with black text and 10.35:1 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 Slate 700?
The closest Pantone reference to Slate 700 by ΔE2000 perceptual distance is Pantone 302 C (#003D5B). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Slate 700?
The closest RAL Classic reference to Slate 700 by ΔE2000 distance is RAL 5020 (Ocean blue, #1D334A). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Slate 700?
The complementary color (180° opposite on the HSL color wheel) of Slate 700 is #564834. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.