#291F8F#291F8F

#291F8F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.173 H 276.1°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#291F8F
RGB	rgb(41, 31, 143)
HSL	hsl(245, 64%, 34%)
HSV	hsv(245, 78%, 56%)
CMYK	cmyk(71.3%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(21.70, 40.48, -59.56)
CIE-LCH	lch(21.70, 72.02, 304.20°)
OKLab	oklab(34.27% 0.0184 -0.1722)
OKLCH	oklch(34.27% 0.173 276.1)
XYZ	xyz(6.3607, 3.4340, 26.3089)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F8F #858F1F

analogous

#1F4D8F #291F8F #611F8F

triadic

#291F8F #8F291F #1F8F29

tetradic

#291F8F #8F1F4D #858F1F #1F8F61

square

#291F8F #8F1F4D #858F1F #1F8F61

split-complementary

#291F8F #8F611F #4D8F1F

monochromatic

#0C092A #1B145D #291F8F #372AC1 #5C4FD9

Accessibility & contrast

On white

12.45

#291F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#291F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F8F

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F8F	#FFFFFF	#000000	##FFFFFF
##291F8F	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #291f8f;
/* rgb */ color: rgb(41, 31, 143);
/* oklch */ color: oklch(34.3% 0.173 276.1);

Tailwind

colors: {
  custom: {
    50: '#735db1',
    500: '#291f8f',
    950: '#000000',
  },
}

SCSS

$custom: #291f8f;
$custom-light: #735db1;
$custom-dark: #000000;

JSON

{
  "hex": "#291f8f",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 245.357,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34271,
    "c": 0.17316,
    "h": 276.1
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#291F8F

secondary

#B2BC4E

accent

#E740D8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291F8F

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

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