#18157E#18157E

#18157E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.166 H 271.4°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#18157E
RGB	rgb(24, 21, 126)
HSL	hsl(242, 71%, 29%)
HSV	hsv(242, 83%, 49%)
CMYK	cmyk(81%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(16.68, 38.79, -57.22)
CIE-LCH	lch(16.68, 69.13, 304.14°)
OKLab	oklab(29.87% 0.0042 -0.1656)
OKLCH	oklch(29.87% 0.166 271.4)
XYZ	xyz(4.4095, 2.2364, 19.9339)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18157E #7B7E15

analogous

#15477E #18157E #4D157E

triadic

#18157E #7E1815 #157E18

tetradic

#18157E #7E1547 #7B7E15 #157E4D

square

#18157E #7E1547 #7B7E15 #157E4D

split-complementary

#18157E #7E4D15 #477E15

monochromatic

#05041A #0E0C4A #18157E #221EB2 #3631DD

Accessibility & contrast

On white

14.51

#18157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#18157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18157E

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18157E	#FFFFFF	#000000	##FFFFFF
##18157E	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18157e;
/* rgb */ color: rgb(24, 21, 126);
/* oklch */ color: oklch(29.9% 0.166 271.4);

Tailwind

colors: {
  custom: {
    50: '#6a55a5',
    500: '#18157e',
    950: '#000000',
  },
}

SCSS

$custom: #18157e;
$custom-light: #6a55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18157e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 241.714,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29867,
    "c": 0.16566,
    "h": 271.4
  },
  "luminance": 0.02237
}

Semantic roles & 50–950 ramp

primary

#18157E

secondary

#B0B33C

accent

#EE3AE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18157E

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

Preview Lab → · Contrast checker → · Palette generator →