#31376D#31376D

#31376D is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.1% C 0.092 H 276.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#31376D
RGB	rgb(49, 55, 109)
HSL	hsl(234, 38%, 31%)
HSV	hsv(234, 55%, 43%)
CMYK	cmyk(55%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(25.23, 14.42, -32.32)
CIE-LCH	lch(25.23, 35.39, 294.05°)
OKLab	oklab(36.09% 0.0096 -0.092)
OKLCH	oklch(36.09% 0.093 276)
XYZ	xyz(5.3923, 4.4891, 15.0474)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31376D #6D6731

analogous

#31556D #31376D #49316D

triadic

#31376D #6D3137 #376D31

tetradic

#31376D #6D3155 #6D6731 #316D49

square

#31376D #6D3155 #6D6731 #316D49

split-complementary

#31376D #6D4931 #556D31

monochromatic

#0B0C19 #1E2243 #31376D #444C97 #6169B8

Accessibility & contrast

On white

11.07

#31376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#31376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31376D

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31376D	#FFFFFF	#000000	##FFFFFF
##31376D	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3E6F

Deuteranopia (green-blind)

#18396C

Tritanopia (blue-blind)

#16434C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31376d;
/* rgb */ color: rgb(49, 55, 109);
/* oklch */ color: oklch(36.1% 0.092 276.0);

Tailwind

colors: {
  custom: {
    50: '#6e6d97',
    500: '#31376d',
    950: '#000000',
  },
}

SCSS

$custom: #31376d;
$custom-light: #6e6d97;
$custom-dark: #000000;

JSON

{
  "hex": "#31376d",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 234,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36092,
    "c": 0.0925,
    "h": 276
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#31376D

secondary

#9E975C

accent

#C25ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31376D

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

Preview Lab → · Contrast checker → · Palette generator →