#31297D#31297D

#31297D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.136 H 280.8°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#31297D
RGB	rgb(49, 41, 125)
HSL	hsl(246, 51%, 33%)
HSV	hsv(246, 67%, 49%)
CMYK	cmyk(60.8%, 67.2%, 0%, 51%)
CIE-LAB	lab(22.72, 29.50, -46.57)
CIE-LCH	lch(22.72, 55.13, 302.35°)
OKLab	oklab(34.62% 0.0257 -0.134)
OKLCH	oklch(34.62% 0.136 280.8)
XYZ	xyz(5.7601, 3.7191, 19.8124)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31297D #757D29

analogous

#294B7D #31297D #5B297D

triadic

#31297D #7D3129 #297D31

tetradic

#31297D #7D294B #757D29 #297D5B

square

#31297D #7D294B #757D29 #297D5B

split-complementary

#31297D #7D5B29 #4B7D29

monochromatic

#0D0B21 #1F1A4F #31297D #4338AB #6358C8

Accessibility & contrast

On white

12.04

#31297D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31297D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31297D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31297D	#FFFFFF	#000000	##FFFFFF
##31297D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00337B

Tritanopia (blue-blind)

#013E4F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31297d;
/* rgb */ color: rgb(49, 41, 125);
/* oklch */ color: oklch(34.6% 0.136 280.8);

Tailwind

colors: {
  custom: {
    50: '#7263a3',
    500: '#31297d',
    950: '#000000',
  },
}

SCSS

$custom: #31297d;
$custom-light: #7263a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31297d",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 125
  },
  "hsl": {
    "h": 245.714,
    "s": 50.602,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34618,
    "c": 0.13644,
    "h": 280.8
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#31297D

secondary

#A5AE54

accent

#DA4ECD

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31297D

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

Preview Lab → · Contrast checker → · Palette generator →