#291D88#291D88

#291D88 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.166 H 277.3°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#291D88
RGB	rgb(41, 29, 136)
HSL	hsl(247, 65%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(69.9%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(20.55, 39.28, -57.10)
CIE-LCH	lch(20.55, 69.31, 304.52°)
OKLab	oklab(33.23% 0.0212 -0.165)
OKLCH	oklch(33.23% 0.166 277.3)
XYZ	xyz(5.7963, 3.1272, 23.5859)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D88 #7C881D

analogous

#1D4788 #291D88 #5F1D88

triadic

#291D88 #88291D #1D8829

tetradic

#291D88 #881D47 #7C881D #1D885F

square

#291D88 #881D47 #7C881D #1D885F

split-complementary

#291D88 #885F1D #47881D

monochromatic

#0B0723 #1A1256 #291D88 #3828BA #5848D8

Accessibility & contrast

On white

12.92

#291D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#291D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D88

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D88	#FFFFFF	#000000	##FFFFFF
##291D88	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #291d88;
/* rgb */ color: rgb(41, 29, 136);
/* oklch */ color: oklch(33.2% 0.166 277.3);

Tailwind

colors: {
  custom: {
    50: '#725cac',
    500: '#291d88',
    950: '#000000',
  },
}

SCSS

$custom: #291d88;
$custom-light: #725cac;
$custom-dark: #000000;

JSON

{
  "hex": "#291d88",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 246.729,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33228,
    "c": 0.16636,
    "h": 277.3
  },
  "luminance": 0.03128
}

Semantic roles & 50–950 ramp

primary

#291D88

secondary

#ADBA47

accent

#E840D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291D88

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

Preview Lab → · Contrast checker → · Palette generator →