#18155D#18155D

#18155D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.123 H 275.5°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#18155D
RGB	rgb(24, 21, 93)
HSL	hsl(243, 63%, 22%)
HSV	hsv(243, 77%, 36%)
CMYK	cmyk(74.2%, 77.4%, 0%, 63.5%)
CIE-LAB	lab(12.74, 27.17, -42.19)
CIE-LCH	lch(12.74, 50.18, 302.78°)
OKLab	oklab(25.93% 0.0117 -0.1219)
OKLCH	oklch(25.93% 0.123 275.5)
XYZ	xyz(2.6200, 1.5206, 10.5092)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18155D #5A5D15

analogous

#15365D #18155D #3C155D

triadic

#18155D #5D1815 #155D18

tetradic

#18155D #5D1536 #5A5D15 #155D3C

square

#18155D #5D1536 #5A5D15 #155D3C

split-complementary

#18155D #5D3C15 #365D15

monochromatic

#060619 #0B0A2B #18155D #25208F #322CC1

Accessibility & contrast

On white

16.10

#18155D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#18155D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18155D

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18155D	#FFFFFF	#000000	##FFFFFF
##18155D	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245F

Deuteranopia (green-blind)

#001E5C

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #18155d;
/* rgb */ color: rgb(24, 21, 93);
/* oklch */ color: oklch(25.9% 0.123 275.5);

Tailwind

colors: {
  custom: {
    50: '#61538c',
    500: '#18155d',
    950: '#000000',
  },
}

SCSS

$custom: #18155d;
$custom-light: #61538c;
$custom-dark: #000000;

JSON

{
  "hex": "#18155d",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 93
  },
  "hsl": {
    "h": 242.5,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.25933,
    "c": 0.12251,
    "h": 275.5
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#18155D

secondary

#919439

accent

#E642DF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #18155D

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

Preview Lab → · Contrast checker → · Palette generator →