#291D8D#291D8D

#291D8D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.173 H 276.6°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#291D8D
RGB	rgb(41, 29, 141)
HSL	hsl(246, 66%, 33%)
HSV	hsv(246, 79%, 55%)
CMYK	cmyk(70.9%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(21.10, 40.91, -59.31)
CIE-LCH	lch(21.10, 72.05, 304.60°)
OKLab	oklab(33.78% 0.0199 -0.1714)
OKLCH	oklch(33.78% 0.173 276.6)
XYZ	xyz(6.1600, 3.2727, 25.5012)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D8D #818D1D

analogous

#1D498D #291D8D #611D8D

triadic

#291D8D #8D291D #1D8D29

tetradic

#291D8D #8D1D49 #818D1D #1D8D61

square

#291D8D #8D1D49 #818D1D #1D8D61

split-complementary

#291D8D #8D611D #498D1D

monochromatic

#0B0827 #1A135A #291D8D #3827C0 #5A4BDA

Accessibility & contrast

On white

12.69

#291D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#291D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D8D

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D8D	#FFFFFF	#000000	##FFFFFF
##291D8D	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291d8d;
/* rgb */ color: rgb(41, 29, 141);
/* oklch */ color: oklch(33.8% 0.173 276.6);

Tailwind

colors: {
  custom: {
    50: '#735cb0',
    500: '#291d8d',
    950: '#000000',
  },
}

SCSS

$custom: #291d8d;
$custom-light: #735cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#291d8d",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 246.429,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33784,
    "c": 0.17258,
    "h": 276.6
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#291D8D

secondary

#B0BC4A

accent

#E93FD7

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #291D8D

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

Preview Lab → · Contrast checker → · Palette generator →