Indigo 300
indigo-300 · #A5B4FC
HEX
#A5B4FC
RGB
rgb(165, 180, 252)
CMYK
cmyk(35%, 29%, 0%, 1%)
HSL
hsl(230, 94%, 82%)
LAB
lab(74.6, 11.4, -37.3)
What is Indigo 300?
Indigo 300 is the indigo-300 reference in the Tailwind CSS palette. Its sRGB value is #A5B4FC (rgb 165, 180, 252). It sits in the purple 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 Indigo 300 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Indigo 300
An 11-step tonal scale derived from Indigo 300 (#A5B4FC). 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
#F8F9FF
#F8F9FF
100
#F1F3FF
#F1F3FF
200
#E2E7FE
#E2E7FE
300
#D2DAFE
#D2DAFE
400
#BCC7FD
#BCC7FD
500
#A5B4FC
#A5B4FC
600
#8C99D6
#8C99D6
700
#6B75A4
#6B75A4
800
#4A5171
#4A5171
900
#292D3F
#292D3F
950
#14161E
#14161E
Lighter tints (mixed with white)
15%
#B6C2FC
30%
#C6CEFD
45%
#D4DAFD
60%
#E1E5FE
75%
#EDEFFE
Darker shades (mixed with black)
15%
#99A7EB
30%
#8C99D7
45%
#7E89C1
60%
#6C76A8
75%
#565F87
Color harmonies for Indigo 300
Classic color-theory harmonies derived from rotating the hue of Indigo 300. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#A5B4FC
#A5B4FC
#FCEEA6
#FCEEA6
Triadic
Three colors 120° apart
#A5B4FC
#A5B4FC
#FCA6B4
#FCA6B4
#B4FCA6
#B4FCA6
Analogous
Two neighbors ±30° on the wheel
#A6DFFC
#A6DFFC
#A5B4FC
#A5B4FC
#C3A6FC
#C3A6FC
Split-complementary
Base + two colors flanking its complement
#A5B4FC
#A5B4FC
#FCC3A6
#FCC3A6
#DFFCA6
#DFFCA6
Tetradic
Two complementary pairs
#A5B4FC
#A5B4FC
#EEA6FC
#EEA6FC
#FCEEA6
#FCEEA6
#B4FCA6
#B4FCA6
Square
Four colors evenly spaced 90° apart
#A5B4FC
#A5B4FC
#FCA6DF
#FCA6DF
#FCEEA6
#FCEEA6
#A6FCC3
#A6FCC3
Indigo 300 in every color space
Full conversion of Indigo 300 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
#A5B4FC
RGB
rgb(165, 180, 252)
CMYK
cmyk(35%, 29%, 0%, 1%)
HSL
hsl(230, 94%, 82%)
HSV
hsv(230, 35%, 99%)
HWB
hwb(230 65% 1%)
CIE Lab
lab(74.6 11.4 -37.3)
OKLCH
oklch(78.5% 0.104 274.7)
XYZ (D65)
xyz(49.40, 47.67, 98.67)
Copy-ready code for Indigo 300
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: #A5B4FC;
background-color: #A5B4FC;CSS variable
:root {
--color-indigo-300: #A5B4FC;
}Tailwind config
// tailwind.config.js
colors: {
'indigo-300': '#A5B4FC',
}Sass
$color-indigo-300: #A5B4FC;Swift UIColor
UIColor(red: 0.647, green: 0.706, blue: 0.988, alpha: 1.0)Android XML
<color name="indigo-300">#A5B4FC</color>Closest match in every color system
The nearest Indigo 300 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 7040
#9DA1AA
Window grey
RAL 7001
#8F999F
Silver grey
RAL 7004
#9EA0A1
Signal grey
RAL 7000
#7E8B92
Squirrel grey
RAL 5012
#3B83BD
Light blue
RAL 9006
#A5A5A5
White aluminium
FAQ about Indigo 300
What is the HEX code for Indigo 300?
Indigo 300 (indigo-300) has the HEX code #A5B4FC. In RGB it is rgb(165, 180, 252), and in CMYK it is cmyk(35%, 29%, 0%, 1%).
What is the OKLCH value of Indigo 300?
Indigo 300 converts to oklch(0.785 0.104 274.7). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Indigo 300 accessible for body text?
Used as a background, Indigo 300 has a contrast ratio of 10.53:1 with black text and 1.99:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Indigo 300?
The closest Pantone reference to Indigo 300 by ΔE2000 perceptual distance is Pantone 291 C (#9BCBEB). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Indigo 300?
The closest RAL Classic reference to Indigo 300 by ΔE2000 distance is RAL 7040 (Window grey, #9DA1AA). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Indigo 300?
The complementary color (180° opposite on the HSL color wheel) of Indigo 300 is #FCEEA6. 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.