#31368E#31368E

#31368E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.143 H 274.9°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#31368E
RGB	rgb(49, 54, 142)
HSL	hsl(237, 49%, 37%)
HSV	hsv(237, 65%, 56%)
CMYK	cmyk(65.5%, 62%, 0%, 44.3%)
CIE-LAB	lab(27.42, 26.99, -49.55)
CIE-LCH	lch(27.42, 56.42, 298.58°)
OKLab	oklab(38.51% 0.0124 -0.1427)
OKLCH	oklch(38.51% 0.143 274.9)
XYZ	xyz(7.4667, 5.2437, 26.2046)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31368E #8E8931

analogous

#31658E #31368E #5A318E

triadic

#31368E #8E3136 #368E31

tetradic

#31368E #8E3165 #8E8931 #318E5A

square

#31368E #8E3165 #8E8931 #318E5A

split-complementary

#31368E #8E5A31 #658E31

monochromatic

#121333 #212561 #31368E #4147BB #6D72CD

Accessibility & contrast

On white

10.25

#31368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#31368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31368E

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31368E	#FFFFFF	#000000	##FFFFFF
##31368E	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #31368e;
/* rgb */ color: rgb(49, 54, 142);
/* oklch */ color: oklch(38.5% 0.143 274.9);

Tailwind

colors: {
  custom: {
    50: '#746db0',
    500: '#31368e',
    950: '#000000',
  },
}

SCSS

$custom: #31368e;
$custom-light: #746db0;
$custom-dark: #000000;

JSON

{
  "hex": "#31368e",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 236.774,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38513,
    "c": 0.14319,
    "h": 274.9
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#31368E

secondary

#B4B067

accent

#D150D8

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #31368E

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

Preview Lab → · Contrast checker → · Palette generator →