#291C88#291C88

#291C88 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.167 H 277.5°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#291C88
RGB	rgb(41, 28, 136)
HSL	hsl(247, 66%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(69.9%, 79.4%, 0%, 46.7%)
CIE-LAB	lab(20.36, 39.82, -57.42)
CIE-LCH	lch(20.36, 69.87, 304.74°)
OKLab	oklab(33.1% 0.0218 -0.1659)
OKLCH	oklch(33.1% 0.167 277.5)
XYZ	xyz(5.7722, 3.0790, 23.5779)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C88 #7B881C

analogous

#1C4588 #291C88 #5F1C88

triadic

#291C88 #88291C #1C8829

tetradic

#291C88 #881C45 #7B881C #1C885F

square

#291C88 #881C45 #7B881C #1C885F

split-complementary

#291C88 #885F1C #45881C

monochromatic

#0A0722 #1A1255 #291C88 #3826BB #5746D9

Accessibility & contrast

On white

13.00

#291C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#291C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C88

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C88	#FFFFFF	#000000	##FFFFFF
##291C88	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358B

Deuteranopia (green-blind)

#002C86

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #291c88;
/* rgb */ color: rgb(41, 28, 136);
/* oklch */ color: oklch(33.1% 0.167 277.5);

Tailwind

colors: {
  custom: {
    50: '#725bac',
    500: '#291c88',
    950: '#000000',
  },
}

SCSS

$custom: #291c88;
$custom-light: #725bac;
$custom-dark: #000000;

JSON

{
  "hex": "#291c88",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 136
  },
  "hsl": {
    "h": 247.222,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33096,
    "c": 0.16731,
    "h": 277.5
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#291C88

secondary

#ACBA45

accent

#E93FD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291C88

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

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