#2B377D#2B377D

#2B377D is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.9% C 0.119 H 272.0°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B377D
RGB	rgb(43, 55, 125)
HSL	hsl(231, 49%, 33%)
HSV	hsv(231, 66%, 49%)
CMYK	cmyk(65.6%, 56%, 0%, 51%)
CIE-LAB	lab(25.94, 19.00, -41.36)
CIE-LCH	lch(25.94, 45.52, 294.68°)
OKLab	oklab(36.88% 0.0041 -0.1187)
OKLCH	oklch(36.88% 0.119 272)
XYZ	xyz(6.0629, 4.7261, 19.9908)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B377D #7D712B

analogous

#2B607D #2B377D #482B7D

triadic

#2B377D #7D2B37 #377D2B

tetradic

#2B377D #7D2B60 #7D712B #2B7D48

square

#2B377D #7D2B60 #7D712B #2B7D48

split-complementary

#2B377D #7D482B #607D2B

monochromatic

#0C0F22 #1B234F #2B377D #3B4BAB #5C6BC7

Accessibility & contrast

On white

10.79

#2B377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B377D

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B377D	#FFFFFF	#000000	##FFFFFF
##2B377D	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06417F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b377d;
/* rgb */ color: rgb(43, 55, 125);
/* oklch */ color: oklch(36.9% 0.119 272.0);

Tailwind

colors: {
  custom: {
    50: '#6e6da3',
    500: '#2b377d',
    950: '#000000',
  },
}

SCSS

$custom: #2b377d;
$custom-light: #6e6da3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b377d",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 231.22,
    "s": 48.81,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36883,
    "c": 0.11881,
    "h": 272
  },
  "luminance": 0.04727
}

Semantic roles & 50–950 ramp

primary

#2B377D

secondary

#ADA057

accent

#C44FD8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B377D

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

Preview Lab → · Contrast checker → · Palette generator →