#31336C#31336C

#31336C is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.097 H 278.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#31336C
RGB	rgb(49, 51, 108)
HSL	hsl(238, 38%, 31%)
HSV	hsv(238, 55%, 42%)
CMYK	cmyk(54.6%, 52.8%, 0%, 57.6%)
CIE-LAB	lab(24.01, 16.83, -33.63)
CIE-LCH	lch(24.01, 37.61, 296.58°)
OKLab	oklab(35.15% 0.0146 -0.0959)
OKLCH	oklch(35.15% 0.097 278.6)
XYZ	xyz(5.1564, 4.1030, 14.7047)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31336C #6C6A31

analogous

#31506C #31336C #4C316C

triadic

#31336C #6C3133 #336C31

tetradic

#31336C #6C3150 #6C6A31 #316C4C

square

#31336C #6C3150 #6C6A31 #316C4C

split-complementary

#31336C #6C4C31 #506C31

monochromatic

#0B0B18 #1E1F42 #31336C #444796 #6063B7

Accessibility & contrast

On white

11.53

#31336C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#31336C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31336C

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31336C	#FFFFFF	#000000	##FFFFFF
##31336C	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173B6E

Deuteranopia (green-blind)

#11376B

Tritanopia (blue-blind)

#18404A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31336c;
/* rgb */ color: rgb(49, 51, 108);
/* oklch */ color: oklch(35.1% 0.097 278.6);

Tailwind

colors: {
  custom: {
    50: '#6e6a96',
    500: '#31336c',
    950: '#000000',
  },
}

SCSS

$custom: #31336c;
$custom-light: #6e6a96;
$custom-dark: #000000;

JSON

{
  "hex": "#31336c",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 108
  },
  "hsl": {
    "h": 237.966,
    "s": 37.58,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3515,
    "c": 0.09698,
    "h": 278.6
  },
  "luminance": 0.04103
}

Semantic roles & 50–950 ramp

primary

#31336C

secondary

#9D9B5C

accent

#CA5ACE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #31336C

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

Preview Lab → · Contrast checker → · Palette generator →