#291B89#291B89

#291B89 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.169 H 277.5°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#291B89
RGB	rgb(41, 27, 137)
HSL	hsl(248, 67%, 32%)
HSV	hsv(248, 80%, 54%)
CMYK	cmyk(70.1%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(20.29, 40.67, -58.16)
CIE-LCH	lch(20.29, 70.97, 304.97°)
OKLab	oklab(33.08% 0.022 -0.168)
OKLCH	oklch(33.08% 0.169 277.5)
XYZ	xyz(5.8203, 3.0609, 23.9462)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B89 #7B891B

analogous

#1B4489 #291B89 #601B89

triadic

#291B89 #89291B #1B8929

tetradic

#291B89 #891B44 #7B891B #1B8960

square

#291B89 #891B44 #7B891B #1B8960

split-complementary

#291B89 #89601B #44891B

monochromatic

#0A0723 #1A1156 #291B89 #3825BC #5744DA

Accessibility & contrast

On white

13.03

#291B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#291B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B89

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B89	#FFFFFF	#000000	##FFFFFF
##291B89	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358C

Deuteranopia (green-blind)

#002C87

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #291b89;
/* rgb */ color: rgb(41, 27, 137);
/* oklch */ color: oklch(33.1% 0.169 277.5);

Tailwind

colors: {
  custom: {
    50: '#725aad',
    500: '#291b89',
    950: '#000000',
  },
}

SCSS

$custom: #291b89;
$custom-light: #725aad;
$custom-dark: #000000;

JSON

{
  "hex": "#291b89",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 247.636,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33079,
    "c": 0.16949,
    "h": 277.5
  },
  "luminance": 0.03061
}

Semantic roles & 50–950 ramp

primary

#291B89

secondary

#ACBC44

accent

#EA3ED4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291B89

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

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