#2D3781#2D3781

#2D3781 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.124 H 273.0°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2D3781
RGB	rgb(45, 55, 129)
HSL	hsl(233, 48%, 34%)
HSV	hsv(233, 65%, 51%)
CMYK	cmyk(65.1%, 57.4%, 0%, 49.4%)
CIE-LAB	lab(26.37, 20.87, -43.16)
CIE-LCH	lch(26.37, 47.94, 295.80°)
OKLab	oklab(37.34% 0.0066 -0.124)
OKLCH	oklch(37.34% 0.124 273)
XYZ	xyz(6.4095, 4.8747, 21.3678)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3781 #81772D

analogous

#2D6181 #2D3781 #4D2D81

triadic

#2D3781 #812D37 #37812D

tetradic

#2D3781 #812D61 #81772D #2D814D

square

#2D3781 #812D61 #81772D #2D814D

split-complementary

#2D3781 #814D2D #61812D

monochromatic

#0D1026 #1D2454 #2D3781 #3D4AAE #616DC8

Accessibility & contrast

On white

10.63

#2D3781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2D3781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3781

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3781	#FFFFFF	#000000	##FFFFFF
##2D3781	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004284

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3781;
/* rgb */ color: rgb(45, 55, 129);
/* oklch */ color: oklch(37.3% 0.124 273.0);

Tailwind

colors: {
  custom: {
    50: '#706da6',
    500: '#2d3781',
    950: '#000000',
  },
}

SCSS

$custom: #2d3781;
$custom-light: #706da6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3781",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 129
  },
  "hsl": {
    "h": 232.857,
    "s": 48.276,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3734,
    "c": 0.12417,
    "h": 273
  },
  "luminance": 0.04875
}

Semantic roles & 50–950 ramp

primary

#2D3781

secondary

#AEA45C

accent

#C850D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D3781

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

Preview Lab → · Contrast checker → · Palette generator →