#2A1D88#2A1D88

#2A1D88 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.166 H 277.8°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D88
RGB	rgb(42, 29, 136)
HSL	hsl(247, 65%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(69.1%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(20.63, 39.39, -56.97)
CIE-LCH	lch(20.63, 69.26, 304.66°)
OKLab	oklab(33.31% 0.0227 -0.1646)
OKLCH	oklch(33.31% 0.166 277.8)
XYZ	xyz(5.8367, 3.1480, 23.5878)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D88 #7B881D

analogous

#1D4588 #2A1D88 #601D88

triadic

#2A1D88 #882A1D #1D882A

tetradic

#2A1D88 #881D45 #7B881D #1D8860

square

#2A1D88 #881D45 #7B881D #1D8860

split-complementary

#2A1D88 #88601D #45881D

monochromatic

#0B0723 #1A1256 #2A1D88 #3A28BA #5948D8

Accessibility & contrast

On white

12.89

#2A1D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2A1D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D88

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D88	#FFFFFF	#000000	##FFFFFF
##2A1D88	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1d88;
/* rgb */ color: rgb(42, 29, 136);
/* oklch */ color: oklch(33.3% 0.166 277.8);

Tailwind

colors: {
  custom: {
    50: '#725cac',
    500: '#2a1d88',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d88;
$custom-light: #725cac;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d88",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 247.29,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33305,
    "c": 0.16612,
    "h": 277.8
  },
  "luminance": 0.03149
}

Semantic roles & 50–950 ramp

primary

#2A1D88

secondary

#ACBA47

accent

#E840D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1D88

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →