#2D378C#2D378C

#2D378C is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.140 H 272.8°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#2D378C
RGB	rgb(45, 55, 140)
HSL	hsl(234, 51%, 36%)
HSV	hsv(234, 68%, 55%)
CMYK	cmyk(67.9%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(27.25, 24.95, -48.59)
CIE-LCH	lch(27.25, 54.62, 297.17°)
OKLab	oklab(38.27% 0.0068 -0.14)
OKLCH	oklch(38.27% 0.14 272.8)
XYZ	xyz(7.1804, 5.1831, 25.4279)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D378C #8C822D

analogous

#2D678C #2D378C #532D8C

triadic

#2D378C #8C2D37 #378C2D

tetradic

#2D378C #8C2D67 #8C822D #2D8C53

square

#2D378C #8C2D67 #8C822D #2D8C53

split-complementary

#2D378C #8C532D #678C2D

monochromatic

#0F132F #1E255E #2D378C #3C49BA #6671CE

Accessibility & contrast

On white

10.31

#2D378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2D378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D378C

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D378C	#FFFFFF	#000000	##FFFFFF
##2D378C	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2d378c;
/* rgb */ color: rgb(45, 55, 140);
/* oklch */ color: oklch(38.3% 0.140 272.8);

Tailwind

colors: {
  custom: {
    50: '#726dae',
    500: '#2d378c',
    950: '#000000',
  },
}

SCSS

$custom: #2d378c;
$custom-light: #726dae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d378c",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 233.684,
    "s": 51.351,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38268,
    "c": 0.14012,
    "h": 272.8
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#2D378C

secondary

#B4AB60

accent

#CC4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D378C

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

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