#2C42B1#2C42B1

#2C42B1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.177 H 268.9°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2C42B1
RGB	rgb(44, 66, 177)
HSL	hsl(230, 60%, 43%)
HSV	hsv(230, 75%, 69%)
CMYK	cmyk(75.1%, 62.7%, 0%, 30.6%)
CIE-LAB	lab(33.15, 31.23, -61.40)
CIE-LCH	lch(33.15, 68.89, 296.96°)
OKLab	oklab(43.59% -0.0033 -0.1775)
OKLCH	oklch(43.59% 0.178 268.9)
XYZ	xyz(10.9200, 7.6051, 42.4789)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C42B1 #B19B2C

analogous

#2C84B1 #2C42B1 #582CB1

triadic

#2C42B1 #B12C42 #42B12C

tetradic

#2C42B1 #B12C84 #B19B2C #2CB158

square

#2C42B1 #B12C84 #B19B2C #2CB158

split-complementary

#2C42B1 #B1582C #84B12C

monochromatic

#141D4F #203080 #2C42B1 #495FD2 #7A8ADE

Accessibility & contrast

On white

8.33

#2C42B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2C42B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C42B1

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C42B1	#FFFFFF	#000000	##FFFFFF
##2C42B1	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2c42b1;
/* rgb */ color: rgb(44, 66, 177);
/* oklch */ color: oklch(43.6% 0.177 268.9);

Tailwind

colors: {
  custom: {
    50: '#7976c9',
    500: '#2c42b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c42b1;
$custom-light: #7976c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c42b1",
  "rgb": {
    "r": 44,
    "g": 66,
    "b": 177
  },
  "hsl": {
    "h": 230.075,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43586,
    "c": 0.1775,
    "h": 268.9
  },
  "luminance": 0.07606
}

Semantic roles & 50–950 ramp

primary

#2C42B1

secondary

#C6B873

accent

#C944E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C42B1

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

Preview Lab → · Contrast checker → · Palette generator →