#2D3381#2D3381

#2D3381 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.130 H 274.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2D3381
RGB	rgb(45, 51, 129)
HSL	hsl(236, 48%, 34%)
HSV	hsv(236, 65%, 51%)
CMYK	cmyk(65.1%, 60.5%, 0%, 49.4%)
CIE-LAB	lab(25.29, 23.59, -44.92)
CIE-LCH	lch(25.29, 50.74, 297.71°)
OKLab	oklab(36.53% 0.0105 -0.1292)
OKLCH	oklch(36.53% 0.13 274.7)
XYZ	xyz(6.2272, 4.5100, 21.3070)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3381 #817B2D

analogous

#2D5D81 #2D3381 #512D81

triadic

#2D3381 #812D33 #33812D

tetradic

#2D3381 #812D5D #817B2D #2D8151

square

#2D3381 #812D5D #817B2D #2D8151

split-complementary

#2D3381 #81512D #5D812D

monochromatic

#0D0F26 #1D2154 #2D3381 #3D45AE #6168C8

Accessibility & contrast

On white

11.04

#2D3381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D3381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3381

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3381	#FFFFFF	#000000	##FFFFFF
##2D3381	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004084

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d3381;
/* rgb */ color: rgb(45, 51, 129);
/* oklch */ color: oklch(36.5% 0.130 274.7);

Tailwind

colors: {
  custom: {
    50: '#706aa6',
    500: '#2d3381',
    950: '#000000',
  },
}

SCSS

$custom: #2d3381;
$custom-light: #706aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3381",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 129
  },
  "hsl": {
    "h": 235.714,
    "s": 48.276,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36532,
    "c": 0.12964,
    "h": 274.7
  },
  "luminance": 0.04511
}

Semantic roles & 50–950 ramp

primary

#2D3381

secondary

#AEA85C

accent

#CE50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D3381

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

Preview Lab → · Contrast checker → · Palette generator →