#2D3183#2D3183

#2D3183 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.135 H 275.3°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#2D3183
RGB	rgb(45, 49, 131)
HSL	hsl(237, 49%, 35%)
HSV	hsv(237, 66%, 51%)
CMYK	cmyk(65.6%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(24.93, 25.67, -46.77)
CIE-LCH	lch(24.93, 53.35, 298.76°)
OKLab	oklab(36.32% 0.0124 -0.1346)
OKLCH	oklch(36.32% 0.135 275.3)
XYZ	xyz(6.2759, 4.3927, 21.9855)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3183 #837F2D

analogous

#2D5C83 #2D3183 #542D83

triadic

#2D3183 #832D31 #31832D

tetradic

#2D3183 #832D5C #837F2D #2D8354

square

#2D3183 #832D5C #837F2D #2D8354

split-complementary

#2D3183 #83542D #5C832D

monochromatic

#0E0F28 #1D2055 #2D3183 #3D42B1 #6266C9

Accessibility & contrast

On white

11.18

#2D3183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2D3183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3183

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3183	#FFFFFF	#000000	##FFFFFF
##2D3183	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d3183;
/* rgb */ color: rgb(45, 49, 131);
/* oklch */ color: oklch(36.3% 0.135 275.3);

Tailwind

colors: {
  custom: {
    50: '#7169a8',
    500: '#2d3183',
    950: '#000000',
  },
}

SCSS

$custom: #2d3183;
$custom-light: #7169a8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3183",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 237.209,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36317,
    "c": 0.13522,
    "h": 275.3
  },
  "luminance": 0.04393
}

Semantic roles & 50–950 ramp

primary

#2D3183

secondary

#AFAB5C

accent

#D24FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2D3183

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

Preview Lab → · Contrast checker → · Palette generator →