#2D378A#2D378A

#2D378A is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.137 H 272.8°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#2D378A
RGB	rgb(45, 55, 138)
HSL	hsl(234, 51%, 36%)
HSV	hsv(234, 67%, 54%)
CMYK	cmyk(67.4%, 60.1%, 0%, 45.9%)
CIE-LAB	lab(27.09, 24.21, -47.62)
CIE-LCH	lch(27.09, 53.42, 296.94°)
OKLab	oklab(38.1% 0.0068 -0.1371)
OKLCH	oklch(38.1% 0.137 272.8)
XYZ	xyz(7.0343, 5.1246, 24.6583)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D378A #8A802D

analogous

#2D658A #2D378A #512D8A

triadic

#2D378A #8A2D37 #378A2D

tetradic

#2D378A #8A2D65 #8A802D #2D8A51

square

#2D378A #8A2D65 #8A802D #2D8A51

split-complementary

#2D378A #8A512D #658A2D

monochromatic

#0F122E #1E255C #2D378A #3C49B8 #6570CD

Accessibility & contrast

On white

10.37

#2D378A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2D378A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D378A

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D378A	#FFFFFF	#000000	##FFFFFF
##2D378A	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d378a;
/* rgb */ color: rgb(45, 55, 138);
/* oklch */ color: oklch(38.1% 0.137 272.8);

Tailwind

colors: {
  custom: {
    50: '#726dad',
    500: '#2d378a',
    950: '#000000',
  },
}

SCSS

$custom: #2d378a;
$custom-light: #726dad;
$custom-dark: #000000;

JSON

{
  "hex": "#2d378a",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 138
  },
  "hsl": {
    "h": 233.548,
    "s": 50.82,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38096,
    "c": 0.13727,
    "h": 272.8
  },
  "luminance": 0.05125
}

Semantic roles & 50–950 ramp

primary

#2D378A

secondary

#B3AA60

accent

#CB4DDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D378A

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

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