#18105D#18105D

#18105D is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.128 H 276.6°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#18105D
RGB	rgb(24, 16, 93)
HSL	hsl(246, 71%, 21%)
HSV	hsv(246, 83%, 36%)
CMYK	cmyk(74.2%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(11.65, 30.23, -43.98)
CIE-LCH	lch(11.65, 53.37, 304.50°)
OKLab	oklab(25.17% 0.0147 -0.1271)
OKLCH	oklch(25.17% 0.128 276.6)
XYZ	xyz(2.5371, 1.3549, 10.4816)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18105D #555D10

analogous

#102F5D #18105D #3F105D

triadic

#18105D #5D1810 #105D18

tetradic

#18105D #5D102F #555D10 #105D3F

square

#18105D #5D102F #555D10 #105D3F

split-complementary

#18105D #5D3F10 #2F5D10

monochromatic

#07041A #0B0729 #18105D #251991 #3322C5

Accessibility & contrast

On white

16.52

#18105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#18105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18105D

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18105D	#FFFFFF	#000000	##FFFFFF
##18105D	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225F

Deuteranopia (green-blind)

#001B5C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #18105d;
/* rgb */ color: rgb(24, 16, 93);
/* oklch */ color: oklch(25.2% 0.128 276.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18105d",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 246.234,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25166,
    "c": 0.12797,
    "h": 276.6
  },
  "luminance": 0.01355
}

Semantic roles & 50–950 ramp

primary

#18105D

secondary

#8C9633

accent

#ED3ADB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #18105D

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

Preview Lab → · Contrast checker → · Palette generator →