#2C378E#2C378E

#2C378E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.143 H 272.2°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2C378E
RGB	rgb(44, 55, 142)
HSL	hsl(233, 53%, 36%)
HSV	hsv(233, 69%, 56%)
CMYK	cmyk(69%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(27.35, 25.53, -49.67)
CIE-LCH	lch(27.35, 55.84, 297.20°)
OKLab	oklab(38.38% 0.0056 -0.1431)
OKLCH	oklch(38.38% 0.143 272.2)
XYZ	xyz(7.2857, 5.2202, 26.2096)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C378E #8E832C

analogous

#2C688E #2C378E #522C8E

triadic

#2C378E #8E2C37 #378E2C

tetradic

#2C378E #8E2C68 #8E832C #2C8E52

square

#2C378E #8E2C68 #8E832C #2C8E52

split-complementary

#2C378E #8E522C #688E2C

monochromatic

#0F1331 #1E255F #2C378E #3A49BD #6571CF

Accessibility & contrast

On white

10.27

#2C378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2C378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C378E

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C378E	#FFFFFF	#000000	##FFFFFF
##2C378E	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c378e;
/* rgb */ color: rgb(44, 55, 142);
/* oklch */ color: oklch(38.4% 0.143 272.2);

Tailwind

colors: {
  custom: {
    50: '#726db0',
    500: '#2c378e',
    950: '#000000',
  },
}

SCSS

$custom: #2c378e;
$custom-light: #726db0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c378e",
  "rgb": {
    "r": 44,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 233.265,
    "s": 52.688,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38379,
    "c": 0.14325,
    "h": 272.2
  },
  "luminance": 0.05221
}

Semantic roles & 50–950 ramp

primary

#2C378E

secondary

#B6AC60

accent

#CC4CDC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2C378E

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

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