#24378A#24378A

#24378A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.140 H 268.8°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#24378A
RGB	rgb(36, 55, 138)
HSL	hsl(229, 59%, 34%)
HSV	hsv(229, 74%, 54%)
CMYK	cmyk(73.9%, 60.1%, 0%, 45.9%)
CIE-LAB	lab(26.57, 22.85, -48.49)
CIE-LCH	lch(26.57, 53.60, 295.24°)
OKLab	oklab(37.57% -0.0029 -0.1399)
OKLCH	oklch(37.57% 0.14 268.8)
XYZ	xyz(6.6796, 4.9417, 24.6417)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#24378A #8A7724

analogous

#246A8A #24378A #44248A

triadic

#24378A #8A2437 #378A24

tetradic

#24378A #8A246A #8A7724 #248A44

square

#24378A #8A246A #8A7724 #248A44

split-complementary

#24378A #8A4424 #6A8A24

monochromatic

#0B1029 #172459 #24378A #314ABB #566DD3

Accessibility & contrast

On white

10.56

#24378A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#24378A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #24378A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##24378A	#FFFFFF	#000000	##FFFFFF
##24378A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #24378a;
/* rgb */ color: rgb(36, 55, 138);
/* oklch */ color: oklch(37.6% 0.140 268.8);

Tailwind

colors: {
  custom: {
    50: '#6e6dad',
    500: '#24378a',
    950: '#000000',
  },
}

SCSS

$custom: #24378a;
$custom-light: #6e6dad;
$custom-dark: #000000;

JSON

{
  "hex": "#24378a",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 138
  },
  "hsl": {
    "h": 228.824,
    "s": 58.621,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3757,
    "c": 0.13989,
    "h": 268.8
  },
  "luminance": 0.04942
}

Semantic roles & 50–950 ramp

primary

#24378A

secondary

#B7A453

accent

#C546E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #24378A

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

Preview Lab → · Contrast checker → · Palette generator →