#2D3583#2D3583

#2D3583 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.130 H 273.8°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#2D3583
RGB	rgb(45, 53, 131)
HSL	hsl(234, 49%, 35%)
HSV	hsv(234, 66%, 51%)
CMYK	cmyk(65.6%, 59.5%, 0%, 48.6%)
CIE-LAB	lab(25.99, 22.97, -45.05)
CIE-LCH	lch(25.99, 50.56, 297.02°)
OKLab	oklab(37.1% 0.0086 -0.1295)
OKLCH	oklch(37.1% 0.13 273.8)
XYZ	xyz(6.4507, 4.7422, 22.0437)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3583 #837B2D

analogous

#2D6083 #2D3583 #502D83

triadic

#2D3583 #832D35 #35832D

tetradic

#2D3583 #832D60 #837B2D #2D8350

square

#2D3583 #832D60 #837B2D #2D8350

split-complementary

#2D3583 #83502D #60832D

monochromatic

#0E1028 #1D2355 #2D3583 #3D47B1 #626BC9

Accessibility & contrast

On white

10.78

#2D3583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2D3583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3583

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3583	#FFFFFF	#000000	##FFFFFF
##2D3583	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3583;
/* rgb */ color: rgb(45, 53, 131);
/* oklch */ color: oklch(37.1% 0.130 273.8);

Tailwind

colors: {
  custom: {
    50: '#706ca8',
    500: '#2d3583',
    950: '#000000',
  },
}

SCSS

$custom: #2d3583;
$custom-light: #706ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3583",
  "rgb": {
    "r": 45,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 234.419,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37101,
    "c": 0.12984,
    "h": 273.8
  },
  "luminance": 0.04743
}

Semantic roles & 50–950 ramp

primary

#2D3583

secondary

#AFA85C

accent

#CC4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2D3583

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

Preview Lab → · Contrast checker → · Palette generator →