#291B76#291B76

#291B76 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.145 H 280.7°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#291B76
RGB	rgb(41, 27, 118)
HSL	hsl(249, 63%, 28%)
HSV	hsv(249, 77%, 46%)
CMYK	cmyk(65.3%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(18.20, 34.47, -49.54)
CIE-LCH	lch(18.20, 60.36, 304.83°)
OKLab	oklab(30.99% 0.027 -0.1429)
OKLCH	oklch(30.99% 0.145 280.7)
XYZ	xyz(4.5754, 2.5629, 17.3896)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B76 #68761B

analogous

#1B3A76 #291B76 #561B76

triadic

#291B76 #76291B #1B7629

tetradic

#291B76 #761B3A #68761B #1B7656

square

#291B76 #761B3A #68761B #1B7656

split-complementary

#291B76 #76561B #3A761B

monochromatic

#090619 #181044 #291B76 #3A26A8 #513AD2

Accessibility & contrast

On white

13.88

#291B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#291B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B76

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B76	#FFFFFF	#000000	##FFFFFF
##291B76	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002974

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #291b76;
/* rgb */ color: rgb(41, 27, 118);
/* oklch */ color: oklch(31.0% 0.145 280.7);

Tailwind

colors: {
  custom: {
    50: '#6e599e',
    500: '#291b76',
    950: '#000000',
  },
}

SCSS

$custom: #291b76;
$custom-light: #6e599e;
$custom-dark: #000000;

JSON

{
  "hex": "#291b76",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 249.231,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30993,
    "c": 0.14547,
    "h": 280.7
  },
  "luminance": 0.02563
}

Semantic roles & 50–950 ramp

primary

#291B76

secondary

#9AAA42

accent

#E642CD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #291B76

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

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