#31327D#31327D

#31327D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.124 H 277.7°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#31327D
RGB	rgb(49, 50, 125)
HSL	hsl(239, 44%, 34%)
HSV	hsv(239, 61%, 49%)
CMYK	cmyk(60.8%, 60%, 0%, 51%)
CIE-LAB	lab(25.00, 23.56, -42.87)
CIE-LCH	lch(25.00, 48.92, 298.79°)
OKLab	oklab(36.29% 0.0166 -0.1231)
OKLCH	oklch(36.29% 0.124 277.7)
XYZ	xyz(6.1077, 4.4144, 19.9283)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31327D #7D7C31

analogous

#31587D #31327D #56317D

triadic

#31327D #7D3132 #327D31

tetradic

#31327D #7D3158 #7D7C31 #317D56

square

#31327D #7D3158 #7D7C31 #317D56

split-complementary

#31327D #7D5631 #587D31

monochromatic

#0F0F25 #202051 #31327D #4244A9 #6667C3

Accessibility & contrast

On white

11.15

#31327D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#31327D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31327D

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31327D	#FFFFFF	#000000	##FFFFFF
##31327D	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F80

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31327d;
/* rgb */ color: rgb(49, 50, 125);
/* oklch */ color: oklch(36.3% 0.124 277.7);

Tailwind

colors: {
  custom: {
    50: '#716aa3',
    500: '#31327d',
    950: '#000000',
  },
}

SCSS

$custom: #31327d;
$custom-light: #716aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#31327d",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 125
  },
  "hsl": {
    "h": 239.211,
    "s": 43.678,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36289,
    "c": 0.12418,
    "h": 277.7
  },
  "luminance": 0.04415
}

Semantic roles & 50–950 ramp

primary

#31327D

secondary

#AAA960

accent

#D254D3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #31327D

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

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