#18159E#18159E

#18159E is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 33.9% C 0.204 H 269.1°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#18159E
RGB	rgb(24, 21, 158)
HSL	hsl(241, 77%, 35%)
HSV	hsv(241, 87%, 62%)
CMYK	cmyk(84.8%, 86.7%, 0%, 38%)
CIE-LAB	lab(20.82, 49.00, -70.31)
CIE-LCH	lch(20.82, 85.70, 304.87°)
OKLab	oklab(33.91% -0.0032 -0.2035)
OKLCH	oklch(33.91% 0.204 269.1)
XYZ	xyz(6.8143, 3.1983, 32.5993)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18159E #9B9E15

analogous

#15569E #18159E #5D159E

triadic

#18159E #9E1815 #159E18

tetradic

#18159E #9E1556 #9B9E15 #159E5D

square

#18159E #9E1556 #9B9E15 #159E5D

split-complementary

#18159E #9E5D15 #569E15

monochromatic

#080732 #100E68 #18159E #201CD4 #4A47E7

Accessibility & contrast

On white

12.81

#18159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18159E

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18159E	#FFFFFF	#000000	##FFFFFF
##18159E	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A2

Deuteranopia (green-blind)

#002B9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18159e;
/* rgb */ color: rgb(24, 21, 158);
/* oklch */ color: oklch(33.9% 0.204 269.1);

Tailwind

colors: {
  custom: {
    50: '#7358bc',
    500: '#18159e',
    950: '#000000',
  },
}

SCSS

$custom: #18159e;
$custom-light: #7358bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18159e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 241.314,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.33906,
    "c": 0.20351,
    "h": 269.1
  },
  "luminance": 0.03199
}

Semantic roles & 50–950 ramp

primary

#18159E

secondary

#C5C747

accent

#F335EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #18159E

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

Preview Lab → · Contrast checker → · Palette generator →