#31369A#31369A

#31369A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.160 H 274.2°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#31369A
RGB	rgb(49, 54, 154)
HSL	hsl(237, 52%, 40%)
HSV	hsv(237, 68%, 60%)
CMYK	cmyk(68.2%, 64.9%, 0%, 39.6%)
CIE-LAB	lab(28.44, 31.30, -55.24)
CIE-LCH	lch(28.44, 63.49, 299.54°)
OKLab	oklab(39.59% 0.0117 -0.1594)
OKLCH	oklch(39.59% 0.16 274.2)
XYZ	xyz(8.4166, 5.6236, 31.2075)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31369A #9A9531

analogous

#316A9A #31369A #61319A

triadic

#31369A #9A3136 #369A31

tetradic

#31369A #9A316A #9A9531 #319A61

square

#31369A #9A316A #9A9531 #319A61

split-complementary

#31369A #9A6131 #6A9A31

monochromatic

#13153D #22266C #31369A #454BC4 #7378D2

Accessibility & contrast

On white

9.88

#31369A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#31369A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31369A

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31369A	#FFFFFF	#000000	##FFFFFF
##31369A	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #31369a;
/* rgb */ color: rgb(49, 54, 154);
/* oklch */ color: oklch(39.6% 0.160 274.2);

Tailwind

colors: {
  custom: {
    50: '#776db9',
    500: '#31369a',
    950: '#000000',
  },
}

SCSS

$custom: #31369a;
$custom-light: #776db9;
$custom-dark: #000000;

JSON

{
  "hex": "#31369a",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 154
  },
  "hsl": {
    "h": 237.143,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39585,
    "c": 0.15981,
    "h": 274.2
  },
  "luminance": 0.05624
}

Semantic roles & 50–950 ramp

primary

#31369A

secondary

#BAB76C

accent

#D44DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #31369A

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

Preview Lab → · Contrast checker → · Palette generator →