#31368D#31368D

#31368D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.142 H 275.0°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#31368D
RGB	rgb(49, 54, 141)
HSL	hsl(237, 48%, 37%)
HSV	hsv(237, 65%, 55%)
CMYK	cmyk(65.2%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(27.34, 26.63, -49.06)
CIE-LCH	lch(27.34, 55.83, 298.50°)
OKLab	oklab(38.43% 0.0124 -0.1412)
OKLCH	oklch(38.43% 0.142 275)
XYZ	xyz(7.3919, 5.2138, 25.8110)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31368D #8D8831

analogous

#31648D #31368D #5A318D

triadic

#31368D #8D3136 #368D31

tetradic

#31368D #8D3164 #8D8831 #318D5A

square

#31368D #8D3164 #8D8831 #318D5A

split-complementary

#31368D #8D5A31 #648D31

monochromatic

#111332 #212560 #31368D #4147BA #6C72CC

Accessibility & contrast

On white

10.28

#31368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#31368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31368D

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31368D	#FFFFFF	#000000	##FFFFFF
##31368D	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #31368d;
/* rgb */ color: rgb(49, 54, 141);
/* oklch */ color: oklch(38.4% 0.142 275.0);

Tailwind

colors: {
  custom: {
    50: '#746daf',
    500: '#31368d',
    950: '#000000',
  },
}

SCSS

$custom: #31368d;
$custom-light: #746daf;
$custom-dark: #000000;

JSON

{
  "hex": "#31368d",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 236.739,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38426,
    "c": 0.14178,
    "h": 275
  },
  "luminance": 0.05214
}

Semantic roles & 50–950 ramp

primary

#31368D

secondary

#B4AF66

accent

#D150D8

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #31368D

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

Preview Lab → · Contrast checker → · Palette generator →