#24378C#24378C

#24378C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.143 H 268.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#24378C
RGB	rgb(36, 55, 140)
HSL	hsl(229, 59%, 35%)
HSV	hsv(229, 74%, 55%)
CMYK	cmyk(74.3%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(26.74, 23.63, -49.45)
CIE-LCH	lch(26.74, 54.81, 295.53°)
OKLab	oklab(37.75% -0.0029 -0.1427)
OKLCH	oklch(37.75% 0.143 268.8)
XYZ	xyz(6.8257, 5.0002, 25.4113)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24378C #8C7924

analogous

#246B8C #24378C #45248C

triadic

#24378C #8C2437 #378C24

tetradic

#24378C #8C246B #8C7924 #248C45

square

#24378C #8C246B #8C7924 #248C45

split-complementary

#24378C #8C4524 #6B8C24

monochromatic

#0B112B #17245B #24378C #314ABD #576ED4

Accessibility & contrast

On white

10.50

#24378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#24378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24378C

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24378C	#FFFFFF	#000000	##FFFFFF
##24378C	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #24378c;
/* rgb */ color: rgb(36, 55, 140);
/* oklch */ color: oklch(37.7% 0.143 268.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#24378c",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 229.038,
    "s": 59.091,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37747,
    "c": 0.14274,
    "h": 268.8
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#24378C

secondary

#B8A654

accent

#C646E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #24378C

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

Preview Lab → · Contrast checker → · Palette generator →