#291C87#291C87

#291C87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.166 H 277.6°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#291C87
RGB	rgb(41, 28, 135)
HSL	hsl(247, 66%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(69.6%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(20.25, 39.50, -56.97)
CIE-LCH	lch(20.25, 69.32, 304.73°)
OKLab	oklab(32.98% 0.022 -0.1646)
OKLCH	oklch(32.98% 0.166 277.6)
XYZ	xyz(5.7015, 3.0507, 23.2054)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C87 #7A871C

analogous

#1C4487 #291C87 #5F1C87

triadic

#291C87 #87291C #1C8729

tetradic

#291C87 #871C44 #7A871C #1C875F

square

#291C87 #871C44 #7A871C #1C875F

split-complementary

#291C87 #875F1C #44871C

monochromatic

#0A0722 #1A1154 #291C87 #3827BA #5745D8

Accessibility & contrast

On white

13.04

#291C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#291C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C87

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C87	#FFFFFF	#000000	##FFFFFF
##291C87	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002C85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #291c87;
/* rgb */ color: rgb(41, 28, 135);
/* oklch */ color: oklch(33.0% 0.166 277.6);

Tailwind

colors: {
  custom: {
    50: '#725bab',
    500: '#291c87',
    950: '#000000',
  },
}

SCSS

$custom: #291c87;
$custom-light: #725bab;
$custom-dark: #000000;

JSON

{
  "hex": "#291c87",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 247.29,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32984,
    "c": 0.16607,
    "h": 277.6
  },
  "luminance": 0.03051
}

Semantic roles & 50–950 ramp

primary

#291C87

secondary

#ACBA45

accent

#E93FD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291C87

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

Preview Lab → · Contrast checker → · Palette generator →