#181161#181161

#181161 is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.132 H 275.7°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#181161
RGB	rgb(24, 17, 97)
HSL	hsl(245, 70%, 22%)
HSV	hsv(245, 82%, 38%)
CMYK	cmyk(75.3%, 82.5%, 0%, 62%)
CIE-LAB	lab(12.34, 31.06, -45.53)
CIE-LCH	lch(12.34, 55.11, 304.30°)
OKLab	oklab(25.79% 0.0131 -0.1316)
OKLCH	oklch(25.79% 0.132 275.7)
XYZ	xyz(2.7341, 1.4579, 11.4443)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181161 #5A6111

analogous

#113261 #181161 #401161

triadic

#181161 #611811 #116118

tetradic

#181161 #611132 #5A6111 #116140

square

#181161 #611132 #5A6111 #116140

split-complementary

#181161 #614011 #326111

monochromatic

#06051A #0B082D #181161 #251A95 #3223C9

Accessibility & contrast

On white

16.26

#181161 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#181161 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181161

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181161	#FFFFFF	#000000	##FFFFFF
##181161	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002463

Deuteranopia (green-blind)

#001D60

Tritanopia (blue-blind)

#002939

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181161;
/* rgb */ color: rgb(24, 17, 97);
/* oklch */ color: oklch(25.8% 0.132 275.7);

Tailwind

colors: {
  custom: {
    50: '#62518f',
    500: '#181161',
    950: '#000000',
  },
}

SCSS

$custom: #181161;
$custom-light: #62518f;
$custom-dark: #000000;

JSON

{
  "hex": "#181161",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 97
  },
  "hsl": {
    "h": 245.25,
    "s": 70.175,
    "l": 22.353
  },
  "oklch": {
    "l": 0.25788,
    "c": 0.13228,
    "h": 275.7
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#181161

secondary

#919934

accent

#ED3BDD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #181161

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

Preview Lab → · Contrast checker → · Palette generator →