#291C8D#291C8D

#291C8D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.7% C 0.173 H 276.8°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#291C8D
RGB	rgb(41, 28, 141)
HSL	hsl(247, 67%, 33%)
HSV	hsv(247, 80%, 55%)
CMYK	cmyk(70.9%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(20.92, 41.43, -59.61)
CIE-LCH	lch(20.92, 72.60, 304.80°)
OKLab	oklab(33.66% 0.0204 -0.1723)
OKLCH	oklch(33.66% 0.173 276.8)
XYZ	xyz(6.1359, 3.2245, 25.4932)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C8D #808D1C

analogous

#1C478D #291C8D #611C8D

triadic

#291C8D #8D291C #1C8D29

tetradic

#291C8D #8D1C47 #808D1C #1C8D61

square

#291C8D #8D1C47 #808D1C #1C8D61

split-complementary

#291C8D #8D611C #478D1C

monochromatic

#0B0827 #1A125A #291C8D #3826C0 #5949DB

Accessibility & contrast

On white

12.77

#291C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#291C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C8D

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C8D	#FFFFFF	#000000	##FFFFFF
##291C8D	1.00	12.77	1.65	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #291c8d;
/* rgb */ color: rgb(41, 28, 141);
/* oklch */ color: oklch(33.7% 0.173 276.8);

Tailwind

colors: {
  custom: {
    50: '#735bb0',
    500: '#291c8d',
    950: '#000000',
  },
}

SCSS

$custom: #291c8d;
$custom-light: #735bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#291c8d",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 246.903,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33656,
    "c": 0.17349,
    "h": 276.8
  },
  "luminance": 0.03225
}

Semantic roles & 50–950 ramp

primary

#291C8D

secondary

#AFBD48

accent

#EA3ED6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291C8D

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

Preview Lab → · Contrast checker → · Palette generator →