#31376C#31376C

#31376C is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.091 H 276.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#31376C
RGB	rgb(49, 55, 108)
HSL	hsl(234, 38%, 31%)
HSV	hsv(234, 55%, 42%)
CMYK	cmyk(54.6%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(25.16, 14.07, -31.79)
CIE-LCH	lch(25.16, 34.76, 293.87°)
OKLab	oklab(36.02% 0.0095 -0.0904)
OKLCH	oklch(36.02% 0.091 276)
XYZ	xyz(5.3387, 4.4677, 14.7655)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31376C #6C6631

analogous

#31546C #31376C #48316C

triadic

#31376C #6C3137 #376C31

tetradic

#31376C #6C3154 #6C6631 #316C48

square

#31376C #6C3154 #6C6631 #316C48

split-complementary

#31376C #6C4831 #546C31

monochromatic

#0B0C18 #1E2242 #31376C #444C96 #6069B7

Accessibility & contrast

On white

11.09

#31376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#31376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31376C

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31376C	#FFFFFF	#000000	##FFFFFF
##31376C	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6E

Deuteranopia (green-blind)

#19396B

Tritanopia (blue-blind)

#17424C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #31376c;
/* rgb */ color: rgb(49, 55, 108);
/* oklch */ color: oklch(36.0% 0.091 276.0);

Tailwind

colors: {
  custom: {
    50: '#6e6d96',
    500: '#31376c',
    950: '#000000',
  },
}

SCSS

$custom: #31376c;
$custom-light: #6e6d96;
$custom-dark: #000000;

JSON

{
  "hex": "#31376c",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 233.898,
    "s": 37.58,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36021,
    "c": 0.09092,
    "h": 276
  },
  "luminance": 0.04468
}

Semantic roles & 50–950 ramp

primary

#31376C

secondary

#9D965C

accent

#C25ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #31376C

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

Preview Lab → · Contrast checker → · Palette generator →