#2C43B8#2C43B8

#2C43B8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.186 H 268.7°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#2C43B8
RGB	rgb(44, 67, 184)
HSL	hsl(230, 61%, 45%)
HSV	hsv(230, 76%, 72%)
CMYK	cmyk(76.1%, 63.6%, 0%, 27.8%)
CIE-LAB	lab(34.00, 33.16, -64.15)
CIE-LCH	lch(34.00, 72.21, 297.34°)
OKLab	oklab(44.4% -0.0041 -0.1855)
OKLCH	oklch(44.4% 0.186 268.7)
XYZ	xyz(11.6946, 8.0092, 46.2677)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C43B8 #B8A12C

analogous

#2C89B8 #2C43B8 #5B2CB8

triadic

#2C43B8 #B82C43 #43B82C

tetradic

#2C43B8 #B82C89 #B8A12C #2CB85B

square

#2C43B8 #B82C89 #B8A12C #2CB85B

split-complementary

#2C43B8 #B85B2C #89B82C

monochromatic

#141F55 #203187 #2C43B8 #4D63D4 #7E8EE0

Accessibility & contrast

On white

8.07

#2C43B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2C43B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C43B8

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C43B8	#FFFFFF	#000000	##FFFFFF
##2C43B8	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2c43b8;
/* rgb */ color: rgb(44, 67, 184);
/* oklch */ color: oklch(44.4% 0.186 268.7);

Tailwind

colors: {
  custom: {
    50: '#7b77ce',
    500: '#2c43b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c43b8;
$custom-light: #7b77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c43b8",
  "rgb": {
    "r": 44,
    "g": 67,
    "b": 184
  },
  "hsl": {
    "h": 230.143,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44404,
    "c": 0.18555,
    "h": 268.7
  },
  "luminance": 0.0801
}

Semantic roles & 50–950 ramp

primary

#2C43B8

secondary

#C9BB77

accent

#CA43E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2C43B8

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

Preview Lab → · Contrast checker → · Palette generator →