#24288F#24288F

#24288F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.165 H 272.5°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#24288F
RGB	rgb(36, 40, 143)
HSL	hsl(238, 60%, 35%)
HSV	hsv(238, 75%, 56%)
CMYK	cmyk(74.8%, 72%, 0%, 43.9%)
CIE-LAB	lab(23.25, 34.67, -57.02)
CIE-LCH	lch(23.25, 66.73, 301.30°)
OKLab	oklab(35.28% 0.0071 -0.1649)
OKLCH	oklch(35.28% 0.165 272.5)
XYZ	xyz(6.4426, 3.8752, 26.3897)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24288F #8F8B24

analogous

#245D8F #24288F #55248F

triadic

#24288F #8F2428 #288F24

tetradic

#24288F #8F245D #8F8B24 #248F55

square

#24288F #8F245D #8F8B24 #248F55

split-complementary

#24288F #8F5524 #5D8F24

monochromatic

#0B0D2D #181A5E #24288F #3036C0 #585DD5

Accessibility & contrast

On white

11.83

#24288F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#24288F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24288F

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24288F	#FFFFFF	#000000	##FFFFFF
##24288F	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #24288f;
/* rgb */ color: rgb(36, 40, 143);
/* oklch */ color: oklch(35.3% 0.165 272.5);

Tailwind

colors: {
  custom: {
    50: '#7063b1',
    500: '#24288f',
    950: '#000000',
  },
}

SCSS

$custom: #24288f;
$custom-light: #7063b1;
$custom-dark: #000000;

JSON

{
  "hex": "#24288f",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 143
  },
  "hsl": {
    "h": 237.757,
    "s": 59.777,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35284,
    "c": 0.16509,
    "h": 272.5
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#24288F

secondary

#B9B655

accent

#DD45E3

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #24288F

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

Preview Lab → · Contrast checker → · Palette generator →