#2D3981#2D3981

#2D3981 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.121 H 272.2°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D3981
RGB	rgb(45, 57, 129)
HSL	hsl(231, 48%, 34%)
HSV	hsv(231, 65%, 51%)
CMYK	cmyk(65.1%, 55.8%, 0%, 49.4%)
CIE-LAB	lab(26.93, 19.50, -42.27)
CIE-LCH	lch(26.93, 46.55, 294.76°)
OKLab	oklab(37.76% 0.0046 -0.1213)
OKLCH	oklch(37.76% 0.121 272.2)
XYZ	xyz(6.5064, 5.0686, 21.4001)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3981 #81752D

analogous

#2D6381 #2D3981 #4B2D81

triadic

#2D3981 #812D39 #39812D

tetradic

#2D3981 #812D63 #81752D #2D814B

square

#2D3981 #812D63 #81752D #2D814B

split-complementary

#2D3981 #814B2D #63812D

monochromatic

#0D1126 #1D2554 #2D3981 #3D4DAE #616FC8

Accessibility & contrast

On white

10.43

#2D3981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2D3981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3981

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3981	#FFFFFF	#000000	##FFFFFF
##2D3981	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074384

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d3981;
/* rgb */ color: rgb(45, 57, 129);
/* oklch */ color: oklch(37.8% 0.121 272.2);

Tailwind

colors: {
  custom: {
    50: '#706fa6',
    500: '#2d3981',
    950: '#000000',
  },
}

SCSS

$custom: #2d3981;
$custom-light: #706fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3981",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 129
  },
  "hsl": {
    "h": 231.429,
    "s": 48.276,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37756,
    "c": 0.12142,
    "h": 272.2
  },
  "luminance": 0.05069
}

Semantic roles & 50–950 ramp

primary

#2D3981

secondary

#AEA25C

accent

#C450D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D3981

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

Preview Lab → · Contrast checker → · Palette generator →