#2C43B7#2C43B7

#2C43B7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.3% C 0.184 H 268.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2C43B7
RGB	rgb(44, 67, 183)
HSL	hsl(230, 61%, 45%)
HSV	hsv(230, 76%, 72%)
CMYK	cmyk(76%, 63.4%, 0%, 28.2%)
CIE-LAB	lab(33.91, 32.79, -63.70)
CIE-LCH	lch(33.91, 71.65, 297.24°)
OKLab	oklab(44.31% -0.0041 -0.1842)
OKLCH	oklch(44.31% 0.184 268.7)
XYZ	xyz(11.5902, 7.9674, 45.7176)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C43B7 #B7A02C

analogous

#2C89B7 #2C43B7 #5B2CB7

triadic

#2C43B7 #B72C43 #43B72C

tetradic

#2C43B7 #B72C89 #B7A02C #2CB75B

square

#2C43B7 #B72C89 #B7A02C #2CB75B

split-complementary

#2C43B7 #B75B2C #89B72C

monochromatic

#141F54 #203186 #2C43B7 #4C63D4 #7E8EE0

Accessibility & contrast

On white

8.10

#2C43B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2C43B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C43B7

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C43B7	#FFFFFF	#000000	##FFFFFF
##2C43B7	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2c43b7;
/* rgb */ color: rgb(44, 67, 183);
/* oklch */ color: oklch(44.3% 0.184 268.7);

Tailwind

colors: {
  custom: {
    50: '#7b77ce',
    500: '#2c43b7',
    950: '#000000',
  },
}

SCSS

$custom: #2c43b7;
$custom-light: #7b77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c43b7",
  "rgb": {
    "r": 44,
    "g": 67,
    "b": 183
  },
  "hsl": {
    "h": 230.072,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44313,
    "c": 0.18424,
    "h": 268.7
  },
  "luminance": 0.07969
}

Semantic roles & 50–950 ramp

primary

#2C43B7

secondary

#C8BB76

accent

#CA43E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C43B7

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

Preview Lab → · Contrast checker → · Palette generator →