#2C43B3#2C43B3

#2C43B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.179 H 268.7°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2C43B3
RGB	rgb(44, 67, 179)
HSL	hsl(230, 61%, 44%)
HSV	hsv(230, 75%, 70%)
CMYK	cmyk(75.4%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.57, 31.32, -61.90)
CIE-LCH	lch(33.57, 69.37, 296.84°)
OKLab	oklab(43.95% -0.004 -0.1789)
OKLCH	oklch(43.95% 0.179 268.7)
XYZ	xyz(11.1797, 7.8032, 43.5561)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C43B3 #B39C2C

analogous

#2C86B3 #2C43B3 #582CB3

triadic

#2C43B3 #B32C43 #43B32C

tetradic

#2C43B3 #B32C86 #B39C2C #2CB358

square

#2C43B3 #B32C86 #B39C2C #2CB358

split-complementary

#2C43B3 #B3582C #86B32C

monochromatic

#141E51 #203182 #2C43B3 #4A61D2 #7B8CDF

Accessibility & contrast

On white

8.20

#2C43B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2C43B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C43B3

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C43B3	#FFFFFF	#000000	##FFFFFF
##2C43B3	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2c43b3;
/* rgb */ color: rgb(44, 67, 179);
/* oklch */ color: oklch(44.0% 0.179 268.7);

Tailwind

colors: {
  custom: {
    50: '#7a77cb',
    500: '#2c43b3',
    950: '#000000',
  },
}

SCSS

$custom: #2c43b3;
$custom-light: #7a77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c43b3",
  "rgb": {
    "r": 44,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 229.778,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43952,
    "c": 0.17895,
    "h": 268.7
  },
  "luminance": 0.07804
}

Semantic roles & 50–950 ramp

primary

#2C43B3

secondary

#C7B974

accent

#C844E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C43B3

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

Preview Lab → · Contrast checker → · Palette generator →