#181158#181158

#181158 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.120 H 277.4°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#181158
RGB	rgb(24, 17, 88)
HSL	hsl(246, 68%, 21%)
HSV	hsv(246, 81%, 35%)
CMYK	cmyk(72.7%, 80.7%, 0%, 65.5%)
CIE-LAB	lab(11.27, 27.86, -41.24)
CIE-LCH	lch(11.27, 49.77, 304.04°)
OKLab	oklab(24.72% 0.0154 -0.1191)
OKLCH	oklch(24.72% 0.12 277.4)
XYZ	xyz(2.3380, 1.2995, 9.3582)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181158 #515811

analogous

#112E58 #181158 #3B1158

triadic

#181158 #581811 #115818

tetradic

#181158 #58112E #515811 #11583B

square

#181158 #58112E #515811 #11583B

split-complementary

#181158 #583B11 #2E5811

monochromatic

#07051A #0A0725 #181158 #261B8B #3425BF

Accessibility & contrast

On white

16.67

#181158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181158

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181158	#FFFFFF	#000000	##FFFFFF
##181158	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181158;
/* rgb */ color: rgb(24, 17, 88);
/* oklch */ color: oklch(24.7% 0.120 277.4);

Tailwind

colors: {
  custom: {
    50: '#605088',
    500: '#181158',
    950: '#000000',
  },
}

SCSS

$custom: #181158;
$custom-light: #605088;
$custom-dark: #000000;

JSON

{
  "hex": "#181158",
  "rgb": {
    "r": 24,
    "g": 17,
    "b": 88
  },
  "hsl": {
    "h": 245.915,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24721,
    "c": 0.12014,
    "h": 277.4
  },
  "luminance": 0.013
}

Semantic roles & 50–950 ramp

primary

#181158

secondary

#889134

accent

#EA3DD9

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181158

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

Preview Lab → · Contrast checker → · Palette generator →