#18105C#18105C

#18105C is a dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.127 H 276.8°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#18105C
RGB	rgb(24, 16, 92)
HSL	hsl(246, 70%, 21%)
HSV	hsv(246, 83%, 36%)
CMYK	cmyk(73.9%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(11.53, 29.88, -43.51)
CIE-LCH	lch(11.53, 52.78, 304.48°)
OKLab	oklab(25.05% 0.015 -0.1257)
OKLCH	oklch(25.05% 0.127 276.8)
XYZ	xyz(2.4931, 1.3373, 10.2499)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18105C #545C10

analogous

#102E5C #18105C #3E105C

triadic

#18105C #5C1810 #105C18

tetradic

#18105C #5C102E #545C10 #105C3E

square

#18105C #5C102E #545C10 #105C3E

split-complementary

#18105C #5C3E10 #2E5C10

monochromatic

#07051A #0A0728 #18105C #261990 #3322C4

Accessibility & contrast

On white

16.57

#18105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#18105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18105C

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18105C	#FFFFFF	#000000	##FFFFFF
##18105C	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225E

Deuteranopia (green-blind)

#001B5B

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #18105c;
/* rgb */ color: rgb(24, 16, 92);
/* oklch */ color: oklch(25.0% 0.127 276.8);

Tailwind

colors: {
  custom: {
    50: '#61508b',
    500: '#18105c',
    950: '#000000',
  },
}

SCSS

$custom: #18105c;
$custom-light: #61508b;
$custom-dark: #000000;

JSON

{
  "hex": "#18105c",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 246.316,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25046,
    "c": 0.12663,
    "h": 276.8
  },
  "luminance": 0.01337
}

Semantic roles & 50–950 ramp

primary

#18105C

secondary

#8B9533

accent

#ED3BDA

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #18105C

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

Preview Lab → · Contrast checker → · Palette generator →