#24178A#24178A

#24178A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.175 H 275.3°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#24178A
RGB	rgb(36, 23, 138)
HSL	hsl(247, 71%, 32%)
HSV	hsv(247, 83%, 54%)
CMYK	cmyk(73.9%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(19.32, 42.56, -60.40)
CIE-LCH	lch(19.32, 73.89, 305.17°)
OKLab	oklab(32.34% 0.0163 -0.1746)
OKLCH	oklch(32.34% 0.175 275.3)
XYZ	xyz(5.6199, 2.8223, 24.2884)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24178A #7D8A17

analogous

#17438A #24178A #5E178A

triadic

#24178A #8A2417 #178A24

tetradic

#24178A #8A1743 #7D8A17 #178A5E

square

#24178A #8A1743 #7D8A17 #178A5E

split-complementary

#24178A #8A5E17 #438A17

monochromatic

#090621 #160E56 #24178A #3220BE #4F3DDF

Accessibility & contrast

On white

13.42

#24178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#24178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24178A

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24178A	#FFFFFF	#000000	##FFFFFF
##24178A	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348D

Deuteranopia (green-blind)

#002A88

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #24178a;
/* rgb */ color: rgb(36, 23, 138);
/* oklch */ color: oklch(32.3% 0.175 275.3);

Tailwind

colors: {
  custom: {
    50: '#7158ad',
    500: '#24178a',
    950: '#000000',
  },
}

SCSS

$custom: #24178a;
$custom-light: #7158ad;
$custom-dark: #000000;

JSON

{
  "hex": "#24178a",
  "rgb": {
    "r": 36,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 246.783,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32339,
    "c": 0.17539,
    "h": 275.3
  },
  "luminance": 0.02823
}

Semantic roles & 50–950 ramp

primary

#24178A

secondary

#AFBE3F

accent

#EE3ADA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #24178A

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

Preview Lab → · Contrast checker → · Palette generator →