#24378D#24378D

#24378D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.144 H 268.9°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#24378D
RGB	rgb(36, 55, 141)
HSL	hsl(229, 59%, 35%)
HSV	hsv(229, 74%, 55%)
CMYK	cmyk(74.5%, 61%, 0%, 44.7%)
CIE-LAB	lab(26.82, 24.01, -49.94)
CIE-LCH	lch(26.82, 55.41, 295.68°)
OKLab	oklab(37.84% -0.0029 -0.1441)
OKLCH	oklch(37.84% 0.144 268.9)
XYZ	xyz(6.8998, 5.0298, 25.8014)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24378D #8D7A24

analogous

#246C8D #24378D #46248D

triadic

#24378D #8D2437 #378D24

tetradic

#24378D #8D246C #8D7A24 #248D46

square

#24378D #8D246C #8D7A24 #248D46

split-complementary

#24378D #8D4624 #6C8D24

monochromatic

#0B112B #18245C #24378D #304ABE #576ED4

Accessibility & contrast

On white

10.47

#24378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#24378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24378D

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24378D	#FFFFFF	#000000	##FFFFFF
##24378D	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #24378d;
/* rgb */ color: rgb(36, 55, 141);
/* oklch */ color: oklch(37.8% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#6f6daf',
    500: '#24378d',
    950: '#000000',
  },
}

SCSS

$custom: #24378d;
$custom-light: #6f6daf;
$custom-dark: #000000;

JSON

{
  "hex": "#24378d",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 229.143,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37836,
    "c": 0.14415,
    "h": 268.9
  },
  "luminance": 0.05031
}

Semantic roles & 50–950 ramp

primary

#24378D

secondary

#B8A654

accent

#C645E3

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #24378D

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

Preview Lab → · Contrast checker → · Palette generator →