#24378B#24378B

#24378B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.141 H 268.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#24378B
RGB	rgb(36, 55, 139)
HSL	hsl(229, 59%, 34%)
HSV	hsv(229, 74%, 55%)
CMYK	cmyk(74.1%, 60.4%, 0%, 45.5%)
CIE-LAB	lab(26.65, 23.24, -48.97)
CIE-LCH	lch(26.65, 54.21, 295.39°)
OKLab	oklab(37.66% -0.0029 -0.1413)
OKLCH	oklch(37.66% 0.141 268.8)
XYZ	xyz(6.7523, 4.9708, 25.0247)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24378B #8B7824

analogous

#246B8B #24378B #45248B

triadic

#24378B #8B2437 #378B24

tetradic

#24378B #8B246B #8B7824 #248B45

square

#24378B #8B246B #8B7824 #248B45

split-complementary

#24378B #8B4524 #6B8B24

monochromatic

#0B112A #17245A #24378B #314ABC #566DD3

Accessibility & contrast

On white

10.53

#24378B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#24378B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24378B

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24378B	#FFFFFF	#000000	##FFFFFF
##24378B	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #24378b;
/* rgb */ color: rgb(36, 55, 139);
/* oklch */ color: oklch(37.7% 0.141 268.8);

Tailwind

colors: {
  custom: {
    50: '#6e6dae',
    500: '#24378b',
    950: '#000000',
  },
}

SCSS

$custom: #24378b;
$custom-light: #6e6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#24378b",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 139
  },
  "hsl": {
    "h": 228.932,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.14132,
    "h": 268.8
  },
  "luminance": 0.04972
}

Semantic roles & 50–950 ramp

primary

#24378B

secondary

#B7A553

accent

#C546E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #24378B

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

Preview Lab → · Contrast checker → · Palette generator →