#31336A#31336A

#31336A is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.0% C 0.094 H 278.8°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#31336A
RGB	rgb(49, 51, 106)
HSL	hsl(238, 37%, 30%)
HSV	hsv(238, 54%, 42%)
CMYK	cmyk(53.8%, 51.9%, 0%, 58.4%)
CIE-LAB	lab(23.87, 16.12, -32.56)
CIE-LCH	lch(23.87, 36.33, 296.34°)
OKLab	oklab(35% 0.0144 -0.0927)
OKLCH	oklch(35% 0.094 278.8)
XYZ	xyz(5.0512, 4.0609, 14.1506)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31336A #6A6831

analogous

#314F6A #31336A #4B316A

triadic

#31336A #6A3133 #336A31

tetradic

#31336A #6A314F #6A6831 #316A4B

square

#31336A #6A314F #6A6831 #316A4B

split-complementary

#31336A #6A4B31 #4F6A31

monochromatic

#0A0B16 #1E1F40 #31336A #444794 #6063B5

Accessibility & contrast

On white

11.59

#31336A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#31336A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31336A

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31336A	#FFFFFF	#000000	##FFFFFF
##31336A	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193B6C

Deuteranopia (green-blind)

#143769

Tritanopia (blue-blind)

#1A3F49

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31336a;
/* rgb */ color: rgb(49, 51, 106);
/* oklch */ color: oklch(35.0% 0.094 278.8);

Tailwind

colors: {
  custom: {
    50: '#6e6a95',
    500: '#31336a',
    950: '#000000',
  },
}

SCSS

$custom: #31336a;
$custom-light: #6e6a95;
$custom-dark: #000000;

JSON

{
  "hex": "#31336a",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 106
  },
  "hsl": {
    "h": 237.895,
    "s": 36.774,
    "l": 30.392
  },
  "oklch": {
    "l": 0.35002,
    "c": 0.09385,
    "h": 278.8
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#31336A

secondary

#9B995C

accent

#C95BCD

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #31336A

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

Preview Lab → · Contrast checker → · Palette generator →