#31376E#31376E

#31376E is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.094 H 276.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#31376E
RGB	rgb(49, 55, 110)
HSL	hsl(234, 38%, 31%)
HSV	hsv(234, 55%, 43%)
CMYK	cmyk(55.5%, 50%, 0%, 56.9%)
CIE-LAB	lab(25.29, 14.78, -32.86)
CIE-LCH	lch(25.29, 36.03, 294.22°)
OKLab	oklab(36.16% 0.0098 -0.0936)
OKLCH	oklch(36.16% 0.094 276)
XYZ	xyz(5.4464, 4.5108, 15.3325)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31376E #6E6831

analogous

#31556E #31376E #49316E

triadic

#31376E #6E3137 #376E31

tetradic

#31376E #6E3155 #6E6831 #316E49

square

#31376E #6E3155 #6E6831 #316E49

split-complementary

#31376E #6E4931 #556E31

monochromatic

#0B0D19 #1E2244 #31376E #444C98 #6169B9

Accessibility & contrast

On white

11.04

#31376E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#31376E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31376E

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31376E	#FFFFFF	#000000	##FFFFFF
##31376E	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3F70

Deuteranopia (green-blind)

#173A6D

Tritanopia (blue-blind)

#15434D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31376e;
/* rgb */ color: rgb(49, 55, 110);
/* oklch */ color: oklch(36.2% 0.094 276.0);

Tailwind

colors: {
  custom: {
    50: '#6e6d98',
    500: '#31376e',
    950: '#000000',
  },
}

SCSS

$custom: #31376e;
$custom-light: #6e6d98;
$custom-dark: #000000;

JSON

{
  "hex": "#31376e",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 110
  },
  "hsl": {
    "h": 234.098,
    "s": 38.365,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36163,
    "c": 0.09408,
    "h": 276
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#31376E

secondary

#9F985C

accent

#C359CE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31376E

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

Preview Lab → · Contrast checker → · Palette generator →