#31375C#31375C

#31375C is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.0% C 0.065 H 275.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#31375C
RGB	rgb(49, 55, 92)
HSL	hsl(232, 30%, 28%)
HSV	hsv(232, 47%, 36%)
CMYK	cmyk(46.7%, 40.2%, 0%, 63.9%)
CIE-LAB	lab(24.19, 8.52, -22.96)
CIE-LCH	lch(24.19, 24.49, 290.35°)
OKLab	oklab(34.96% 0.0063 -0.0646)
OKLCH	oklch(34.96% 0.065 275.5)
XYZ	xyz(4.5640, 4.1578, 10.6852)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31375C #5C5631

analogous

#314C5C #31375C #41315C

triadic

#31375C #5C3137 #375C31

tetradic

#31375C #5C314C #5C5631 #315C41

square

#31375C #5C314C #5C5631 #315C41

split-complementary

#31375C #5C4131 #4C5C31

monochromatic

#0B0C14 #1C1F34 #31375C #464F84 #5E69A9

Accessibility & contrast

On white

11.47

#31375C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31375C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31375C

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31375C	#FFFFFF	#000000	##FFFFFF
##31375C	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3B5D

Deuteranopia (green-blind)

#26385B

Tritanopia (blue-blind)

#233F45

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31375c;
/* rgb */ color: rgb(49, 55, 92);
/* oklch */ color: oklch(35.0% 0.065 275.5);

Tailwind

colors: {
  custom: {
    50: '#6b6d8a',
    500: '#31375c',
    950: '#000000',
  },
}

SCSS

$custom: #31375c;
$custom-light: #6b6d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#31375c",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 92
  },
  "hsl": {
    "h": 231.628,
    "s": 30.496,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34959,
    "c": 0.06492,
    "h": 275.5
  },
  "luminance": 0.04158
}

Semantic roles & 50–950 ramp

primary

#31375C

secondary

#8D865C

accent

#B961C7

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #31375C

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

Preview Lab → · Contrast checker → · Palette generator →