#31369E#31369E

#31369E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.165 H 274.0°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#31369E
RGB	rgb(49, 54, 158)
HSL	hsl(237, 53%, 41%)
HSV	hsv(237, 69%, 62%)
CMYK	cmyk(69%, 65.8%, 0%, 38%)
CIE-LAB	lab(28.80, 32.72, -57.10)
CIE-LCH	lch(28.80, 65.81, 299.82°)
OKLab	oklab(39.95% 0.0114 -0.1648)
OKLCH	oklch(39.95% 0.165 274)
XYZ	xyz(8.7553, 5.7591, 32.9913)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31369E #9E9931

analogous

#316C9E #31369E #62319E

triadic

#31369E #9E3136 #369E31

tetradic

#31369E #9E316C #9E9931 #319E62

square

#31369E #9E316C #9E9931 #319E62

split-complementary

#31369E #9E6231 #6C9E31

monochromatic

#141641 #23266F #31369E #464CC6 #757AD4

Accessibility & contrast

On white

9.76

#31369E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#31369E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31369E

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31369E	#FFFFFF	#000000	##FFFFFF
##31369E	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31369e;
/* rgb */ color: rgb(49, 54, 158);
/* oklch */ color: oklch(40.0% 0.165 274.0);

Tailwind

colors: {
  custom: {
    50: '#786dbc',
    500: '#31369e',
    950: '#000000',
  },
}

SCSS

$custom: #31369e;
$custom-light: #786dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#31369e",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 158
  },
  "hsl": {
    "h": 237.248,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39953,
    "c": 0.16522,
    "h": 274
  },
  "luminance": 0.0576
}

Semantic roles & 50–950 ramp

primary

#31369E

secondary

#BCB96E

accent

#D54CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #31369E

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

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