#18157B#18157B

#18157B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.162 H 271.7°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#18157B
RGB	rgb(24, 21, 123)
HSL	hsl(242, 71%, 28%)
HSV	hsv(242, 83%, 48%)
CMYK	cmyk(80.5%, 82.9%, 0%, 51.8%)
CIE-LAB	lab(16.31, 37.78, -55.92)
CIE-LCH	lch(16.31, 67.49, 304.04°)
OKLab	oklab(29.5% 0.0049 -0.1619)
OKLCH	oklch(29.5% 0.162 271.7)
XYZ	xyz(4.2188, 2.1601, 18.9297)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18157B #787B15

analogous

#15457B #18157B #4B157B

triadic

#18157B #7B1815 #157B18

tetradic

#18157B #7B1545 #787B15 #157B4B

square

#18157B #7B1545 #787B15 #157B4B

split-complementary

#18157B #7B4B15 #457B15

monochromatic

#05041A #0E0C47 #18157B #221EAF #342FDB

Accessibility & contrast

On white

14.66

#18157B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18157B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18157B

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18157B	#FFFFFF	#000000	##FFFFFF
##18157B	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002379

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18157b;
/* rgb */ color: rgb(24, 21, 123);
/* oklch */ color: oklch(29.5% 0.162 271.7);

Tailwind

colors: {
  custom: {
    50: '#6955a2',
    500: '#18157b',
    950: '#000000',
  },
}

SCSS

$custom: #18157b;
$custom-light: #6955a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18157b",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 123
  },
  "hsl": {
    "h": 241.765,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29496,
    "c": 0.16194,
    "h": 271.7
  },
  "luminance": 0.02161
}

Semantic roles & 50–950 ramp

primary

#18157B

secondary

#ADB03B

accent

#EE3AE8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18157B

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

Preview Lab → · Contrast checker → · Palette generator →