#291D8A#291D8A

#291D8A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.169 H 277.0°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#291D8A
RGB	rgb(41, 29, 138)
HSL	hsl(247, 65%, 33%)
HSV	hsv(247, 79%, 54%)
CMYK	cmyk(70.3%, 79%, 0%, 45.9%)
CIE-LAB	lab(20.77, 39.93, -57.99)
CIE-LCH	lch(20.77, 70.41, 304.55°)
OKLab	oklab(33.45% 0.0207 -0.1676)
OKLCH	oklch(33.45% 0.169 277)
XYZ	xyz(5.9398, 3.1846, 24.3415)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D8A #7E8A1D

analogous

#1D478A #291D8A #601D8A

triadic

#291D8A #8A291D #1D8A29

tetradic

#291D8A #8A1D47 #7E8A1D #1D8A60

square

#291D8A #8A1D47 #7E8A1D #1D8A60

split-complementary

#291D8A #8A601D #478A1D

monochromatic

#0B0825 #1A1257 #291D8A #3828BD #5949D9

Accessibility & contrast

On white

12.83

#291D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#291D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D8A

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D8A	#FFFFFF	#000000	##FFFFFF
##291D8A	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002D88

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #291d8a;
/* rgb */ color: rgb(41, 29, 138);
/* oklch */ color: oklch(33.5% 0.169 277.0);

Tailwind

colors: {
  custom: {
    50: '#725cad',
    500: '#291d8a',
    950: '#000000',
  },
}

SCSS

$custom: #291d8a;
$custom-light: #725cad;
$custom-dark: #000000;

JSON

{
  "hex": "#291d8a",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 246.606,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3345,
    "c": 0.16885,
    "h": 277
  },
  "luminance": 0.03185
}

Semantic roles & 50–950 ramp

primary

#291D8A

secondary

#AEBB48

accent

#E840D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291D8A

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

Preview Lab → · Contrast checker → · Palette generator →