#2337A6#2337A6

#2337A6 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.178 H 268.5°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#2337A6
RGB	rgb(35, 55, 166)
HSL	hsl(231, 65%, 39%)
HSV	hsv(231, 79%, 65%)
CMYK	cmyk(78.9%, 66.9%, 0%, 34.9%)
CIE-LAB	lab(29.01, 33.38, -61.62)
CIE-LCH	lch(29.01, 70.08, 298.45°)
OKLab	oklab(40.13% -0.0046 -0.1784)
OKLCH	oklch(40.13% 0.178 268.5)
XYZ	xyz(8.9399, 5.8419, 36.7254)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2337A6 #A69223

analogous

#2379A6 #2337A6 #5123A6

triadic

#2337A6 #A62337 #37A623

tetradic

#2337A6 #A62379 #A69223 #23A651

square

#2337A6 #A62379 #A69223 #23A651

split-complementary

#2337A6 #A65123 #79A623

monochromatic

#0E1641 #182673 #2337A6 #324BD4 #6577DF

Accessibility & contrast

On white

9.68

#2337A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2337A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2337A6

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2337A6	#FFFFFF	#000000	##FFFFFF
##2337A6	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2337a6;
/* rgb */ color: rgb(35, 55, 166);
/* oklch */ color: oklch(40.1% 0.178 268.5);

Tailwind

colors: {
  custom: {
    50: '#746ec1',
    500: '#2337a6',
    950: '#000000',
  },
}

SCSS

$custom: #2337a6;
$custom-light: #746ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2337a6",
  "rgb": {
    "r": 35,
    "g": 55,
    "b": 166
  },
  "hsl": {
    "h": 230.84,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40128,
    "c": 0.17842,
    "h": 268.5
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary

#2337A6

secondary

#C4B561

accent

#CE40E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2337A6

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

Preview Lab → · Contrast checker → · Palette generator →