#31366F#31366F

#31366F is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.097 H 276.6°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#31366F
RGB	rgb(49, 54, 111)
HSL	hsl(235, 39%, 31%)
HSV	hsv(235, 56%, 44%)
CMYK	cmyk(55.9%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(25.07, 15.82, -33.85)
CIE-LCH	lch(25.07, 37.37, 295.05°)
OKLab	oklab(36.02% 0.0111 -0.0965)
OKLCH	oklch(36.02% 0.097 276.6)
XYZ	xyz(5.4541, 4.4386, 15.6052)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31366F #6F6A31

analogous

#31556F #31366F #4B316F

triadic

#31366F #6F3136 #366F31

tetradic

#31366F #6F3155 #6F6A31 #316F4B

square

#31366F #6F3155 #6F6A31 #316F4B

split-complementary

#31366F #6F4B31 #556F31

monochromatic

#0C0D1A #1E2145 #31366F #444B99 #6168B9

Accessibility & contrast

On white

11.12

#31366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#31366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31366F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31366F	#FFFFFF	#000000	##FFFFFF
##31366F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3E71

Deuteranopia (green-blind)

#14396E

Tritanopia (blue-blind)

#15434D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31366f;
/* rgb */ color: rgb(49, 54, 111);
/* oklch */ color: oklch(36.0% 0.097 276.6);

Tailwind

colors: {
  custom: {
    50: '#6e6c99',
    500: '#31366f',
    950: '#000000',
  },
}

SCSS

$custom: #31366f;
$custom-light: #6e6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#31366f",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 235.161,
    "s": 38.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36017,
    "c": 0.09714,
    "h": 276.6
  },
  "luminance": 0.04439
}

Semantic roles & 50–950 ramp

primary

#31366F

secondary

#A09B5C

accent

#C559CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #31366F

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

Preview Lab → · Contrast checker → · Palette generator →