#291B94#291B94

#291B94 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.183 H 276.0°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#291B94
RGB	rgb(41, 27, 148)
HSL	hsl(247, 69%, 34%)
HSV	hsv(247, 82%, 58%)
CMYK	cmyk(72.3%, 81.8%, 0%, 42%)
CIE-LAB	lab(21.55, 44.16, -62.91)
CIE-LCH	lch(21.55, 76.87, 305.07°)
OKLab	oklab(34.33% 0.019 -0.1819)
OKLCH	oklch(34.33% 0.183 276)
XYZ	xyz(6.6499, 3.3928, 28.3156)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B94 #86941B

analogous

#1B4A94 #291B94 #661B94

triadic

#291B94 #94291B #1B9429

tetradic

#291B94 #941B4A #86941B #1B9466

square

#291B94 #941B4A #86941B #1B9466

split-complementary

#291B94 #94661B #4A941B

monochromatic

#0C082C #1B1260 #291B94 #3724C8 #5C4BDE

Accessibility & contrast

On white

12.51

#291B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#291B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B94

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B94	#FFFFFF	#000000	##FFFFFF
##291B94	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002E92

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #291b94;
/* rgb */ color: rgb(41, 27, 148);
/* oklch */ color: oklch(34.3% 0.183 276.0);

Tailwind

colors: {
  custom: {
    50: '#755bb5',
    500: '#291b94',
    950: '#000000',
  },
}

SCSS

$custom: #291b94;
$custom-light: #755bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#291b94",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 148
  },
  "hsl": {
    "h": 246.942,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34333,
    "c": 0.18285,
    "h": 276
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#291B94

secondary

#B3C04B

accent

#EC3CD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #291B94

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

Preview Lab → · Contrast checker → · Palette generator →