#24178B#24178B

#24178B is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.177 H 275.2°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#24178B
RGB	rgb(36, 23, 139)
HSL	hsl(247, 72%, 32%)
HSV	hsv(247, 83%, 55%)
CMYK	cmyk(74.1%, 83.5%, 0%, 45.5%)
CIE-LAB	lab(19.44, 42.87, -60.83)
CIE-LCH	lch(19.44, 74.42, 305.18°)
OKLab	oklab(32.46% 0.016 -0.1759)
OKLCH	oklch(32.46% 0.177 275.2)
XYZ	xyz(5.6926, 2.8514, 24.6715)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24178B #7E8B17

analogous

#17448B #24178B #5E178B

triadic

#24178B #8B2417 #178B24

tetradic

#24178B #8B1744 #7E8B17 #178B5E

square

#24178B #8B1744 #7E8B17 #178B5E

split-complementary

#24178B #8B5E17 #448B17

monochromatic

#090622 #160E56 #24178B #3220C0 #503DDF

Accessibility & contrast

On white

13.37

#24178B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#24178B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24178B

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24178B	#FFFFFF	#000000	##FFFFFF
##24178B	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002A89

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #24178b;
/* rgb */ color: rgb(36, 23, 139);
/* oklch */ color: oklch(32.5% 0.177 275.2);

Tailwind

colors: {
  custom: {
    50: '#7158ae',
    500: '#24178b',
    950: '#000000',
  },
}

SCSS

$custom: #24178b;
$custom-light: #7158ae;
$custom-dark: #000000;

JSON

{
  "hex": "#24178b",
  "rgb": {
    "r": 36,
    "g": 23,
    "b": 139
  },
  "hsl": {
    "h": 246.724,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32458,
    "c": 0.17659,
    "h": 275.2
  },
  "luminance": 0.02852
}

Semantic roles & 50–950 ramp

primary

#24178B

secondary

#B0BF3F

accent

#EE39DA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090310

muted

#7B787F

Preview Lab

Preview with #24178B

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

Preview Lab → · Contrast checker → · Palette generator →