#313161#313161

#313161 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.083 H 281.1°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#313161
RGB	rgb(49, 49, 97)
HSL	hsl(240, 33%, 29%)
HSV	hsv(240, 49%, 38%)
CMYK	cmyk(49.5%, 49.5%, 0%, 62%)
CIE-LAB	lab(22.70, 14.38, -28.59)
CIE-LCH	lch(22.70, 32.01, 296.70°)
OKLab	oklab(33.92% 0.0159 -0.0811)
OKLCH	oklch(33.92% 0.083 281.1)
XYZ	xyz(4.5220, 3.7124, 11.7852)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313161 #616131

analogous

#314961 #313161 #493161

triadic

#313161 #613131 #316131

tetradic

#313161 #613149 #616131 #316149

square

#313161 #613149 #616131 #316149

split-complementary

#313161 #614931 #496131

monochromatic

#0A0A14 #1C1C38 #313161 #46468A #5E5EAE

Accessibility & contrast

On white

12.05

#313161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#313161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313161

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313161	#FFFFFF	#000000	##FFFFFF
##313161	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3863

Deuteranopia (green-blind)

#1A3460

Tritanopia (blue-blind)

#213B44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #313161;
/* rgb */ color: rgb(49, 49, 97);
/* oklch */ color: oklch(33.9% 0.083 281.1);

Tailwind

colors: {
  custom: {
    50: '#6c698e',
    500: '#313161',
    950: '#000000',
  },
}

SCSS

$custom: #313161;
$custom-light: #6c698e;
$custom-dark: #000000;

JSON

{
  "hex": "#313161",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 97
  },
  "hsl": {
    "h": 240,
    "s": 32.877,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33921,
    "c": 0.08264,
    "h": 281.1
  },
  "luminance": 0.03713
}

Semantic roles & 50–950 ramp

primary

#313161

secondary

#92925C

accent

#C95FC9

background

#F6F6F8

surface

#ECEBF0

border

#C7C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #313161

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

Preview Lab → · Contrast checker → · Palette generator →