#291B84#291B84

#291B84 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.163 H 278.2°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#291B84
RGB	rgb(41, 27, 132)
HSL	hsl(248, 66%, 31%)
HSV	hsv(248, 80%, 52%)
CMYK	cmyk(68.9%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(19.72, 39.06, -55.95)
CIE-LCH	lch(19.72, 68.23, 304.92°)
OKLab	oklab(32.52% 0.0234 -0.1616)
OKLCH	oklch(32.52% 0.163 278.2)
XYZ	xyz(5.4699, 2.9208, 22.1008)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B84 #76841B

analogous

#1B4184 #291B84 #5D1B84

triadic

#291B84 #84291B #1B8429

tetradic

#291B84 #841B41 #76841B #1B845D

square

#291B84 #841B41 #76841B #1B845D

split-complementary

#291B84 #845D1B #41841B

monochromatic

#09061E #191151 #291B84 #3925B7 #5541D8

Accessibility & contrast

On white

13.26

#291B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#291B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B84

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B84	#FFFFFF	#000000	##FFFFFF
##291B84	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #291b84;
/* rgb */ color: rgb(41, 27, 132);
/* oklch */ color: oklch(32.5% 0.163 278.2);

Tailwind

colors: {
  custom: {
    50: '#715aa9',
    500: '#291b84',
    950: '#000000',
  },
}

SCSS

$custom: #291b84;
$custom-light: #715aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#291b84",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 248,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32519,
    "c": 0.16329,
    "h": 278.2
  },
  "luminance": 0.02921
}

Semantic roles & 50–950 ramp

primary

#291B84

secondary

#A8B743

accent

#E93FD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291B84

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

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