#24288B#24288B

#24288B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.160 H 272.7°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#24288B
RGB	rgb(36, 40, 139)
HSL	hsl(238, 59%, 34%)
HSV	hsv(238, 74%, 55%)
CMYK	cmyk(74.1%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(22.85, 33.23, -55.20)
CIE-LCH	lch(22.85, 64.43, 301.05°)
OKLab	oklab(34.87% 0.0077 -0.1596)
OKLCH	oklch(34.87% 0.16 272.7)
XYZ	xyz(6.1450, 3.7561, 24.8222)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24288B #8B8724

analogous

#245C8B #24288B #54248B

triadic

#24288B #8B2428 #288B24

tetradic

#24288B #8B245C #8B8724 #248B54

square

#24288B #8B245C #8B8724 #248B54

split-complementary

#24288B #8B5424 #5C8B24

monochromatic

#0B0C2A #171A5A #24288B #3136BC #565BD3

Accessibility & contrast

On white

11.99

#24288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#24288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24288B

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24288B	#FFFFFF	#000000	##FFFFFF
##24288B	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #24288b;
/* rgb */ color: rgb(36, 40, 139);
/* oklch */ color: oklch(34.9% 0.160 272.7);

Tailwind

colors: {
  custom: {
    50: '#6f62ae',
    500: '#24288b',
    950: '#000000',
  },
}

SCSS

$custom: #24288b;
$custom-light: #6f62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#24288b",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 237.67,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34869,
    "c": 0.15981,
    "h": 272.7
  },
  "luminance": 0.03757
}

Semantic roles & 50–950 ramp

primary

#24288B

secondary

#B7B453

accent

#DC46E2

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #24288B

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

Preview Lab → · Contrast checker → · Palette generator →