#180538#180538

#180538 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.091 H 293.1°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#180538
RGB	rgb(24, 5, 56)
HSL	hsl(262, 84%, 12%)
HSV	hsv(262, 91%, 22%)
CMYK	cmyk(57.1%, 91.1%, 0%, 78%)
CIE-LAB	lab(5.31, 22.74, -28.58)
CIE-LCH	lch(5.31, 36.52, 308.51°)
OKLab	oklab(19.17% 0.0357 -0.0839)
OKLCH	oklch(19.17% 0.091 293.1)
XYZ	xyz(1.1446, 0.5882, 3.7938)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 4.88

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180538 #253805

analogous

#050C38 #180538 #320538

triadic

#180538 #381805 #053818

tetradic

#180538 #38050C #253805 #053832

square

#180538 #38050C #253805 #053832

split-complementary

#180538 #383205 #0C3805

monochromatic

#0C031C #0C031C #180538 #300A70 #480FA8

Accessibility & contrast

On white

18.79

#180538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180538

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180538	#FFFFFF	#000000	##FFFFFF
##180538	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001239

Deuteranopia (green-blind)

#001137

Tritanopia (blue-blind)

#0E131E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180538;
/* rgb */ color: rgb(24, 5, 56);
/* oklch */ color: oklch(19.2% 0.091 293.1);

Tailwind

colors: {
  custom: {
    50: '#59486f',
    500: '#180538',
    950: '#000000',
  },
}

SCSS

$custom: #180538;
$custom-light: #59486f;
$custom-dark: #000000;

JSON

{
  "hex": "#180538",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 56
  },
  "hsl": {
    "h": 262.353,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.19165,
    "c": 0.09119,
    "h": 293.1
  },
  "luminance": 0.00588
}

Semantic roles & 50–950 ramp

primary

#180538

secondary

#587920

accent

#FA2EAE

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180538

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

Preview Lab → · Contrast checker → · Palette generator →