#31336D#31336D

#31336D is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.099 H 278.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#31336D
RGB	rgb(49, 51, 109)
HSL	hsl(238, 38%, 31%)
HSV	hsv(238, 55%, 43%)
CMYK	cmyk(55%, 53.2%, 0%, 57.3%)
CIE-LAB	lab(24.08, 17.18, -34.16)
CIE-LCH	lch(24.08, 38.24, 296.70°)
OKLab	oklab(35.22% 0.0147 -0.0974)
OKLCH	oklch(35.22% 0.099 278.6)
XYZ	xyz(5.2099, 4.1244, 14.9866)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31336D #6D6B31

analogous

#31516D #31336D #4D316D

triadic

#31336D #6D3133 #336D31

tetradic

#31336D #6D3151 #6D6B31 #316D4D

square

#31336D #6D3151 #6D6B31 #316D4D

split-complementary

#31336D #6D4D31 #516D31

monochromatic

#0B0B19 #1E1F43 #31336D #444797 #6164B8

Accessibility & contrast

On white

11.51

#31336D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31336D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31336D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31336D	#FFFFFF	#000000	##FFFFFF
##31336D	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163C6F

Deuteranopia (green-blind)

#0F376C

Tritanopia (blue-blind)

#17404B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31336d;
/* rgb */ color: rgb(49, 51, 109);
/* oklch */ color: oklch(35.2% 0.099 278.6);

Tailwind

colors: {
  custom: {
    50: '#6e6a97',
    500: '#31336d',
    950: '#000000',
  },
}

SCSS

$custom: #31336d;
$custom-light: #6e6a97;
$custom-dark: #000000;

JSON

{
  "hex": "#31336d",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 109
  },
  "hsl": {
    "h": 238,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35224,
    "c": 0.09854,
    "h": 278.6
  },
  "luminance": 0.04125
}

Semantic roles & 50–950 ramp

primary

#31336D

secondary

#9E9C5C

accent

#CA5ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #31336D

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

Preview Lab → · Contrast checker → · Palette generator →