#31367F#31367F

#31367F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.122 H 275.8°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#31367F
RGB	rgb(49, 54, 127)
HSL	hsl(236, 44%, 35%)
HSV	hsv(236, 61%, 50%)
CMYK	cmyk(61.4%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(26.22, 21.57, -42.14)
CIE-LCH	lch(26.22, 47.34, 297.11°)
OKLab	oklab(37.25% 0.0124 -0.1209)
OKLCH	oklch(37.25% 0.122 275.8)
XYZ	xyz(6.4153, 4.8231, 20.6674)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31367F #7F7A31

analogous

#315D7F #31367F #53317F

triadic

#31367F #7F3136 #367F31

tetradic

#31367F #7F315D #7F7A31 #317F53

square

#31367F #7F315D #7F7A31 #317F53

split-complementary

#31367F #7F5331 #5D7F31

monochromatic

#0F1027 #202353 #31367F #4249AB #666CC4

Accessibility & contrast

On white

10.69

#31367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#31367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31367F

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31367F	#FFFFFF	#000000	##FFFFFF
##31367F	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004181

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #31367f;
/* rgb */ color: rgb(49, 54, 127);
/* oklch */ color: oklch(37.3% 0.122 275.8);

Tailwind

colors: {
  custom: {
    50: '#716da5',
    500: '#31367f',
    950: '#000000',
  },
}

SCSS

$custom: #31367f;
$custom-light: #716da5;
$custom-dark: #000000;

JSON

{
  "hex": "#31367f",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 236.154,
    "s": 44.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37252,
    "c": 0.12151,
    "h": 275.8
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#31367F

secondary

#ABA760

accent

#CC54D4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #31367F

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

Preview Lab → · Contrast checker → · Palette generator →