#180D3C#180D3C

#180D3C is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.085 H 287.4°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#180D3C
RGB	rgb(24, 13, 60)
HSL	hsl(254, 64%, 14%)
HSV	hsv(254, 78%, 24%)
CMYK	cmyk(60%, 78.3%, 0%, 76.5%)
CIE-LAB	lab(7.30, 20.24, -28.25)
CIE-LCH	lch(7.30, 34.75, 305.62°)
OKLab	oklab(20.95% 0.0254 -0.0812)
OKLCH	oklch(20.95% 0.085 287.4)
XYZ	xyz(1.3360, 0.8082, 4.3597)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D3C #313C0D

analogous

#0D1A3C #180D3C #300D3C

triadic

#180D3C #3C180D #0D3C18

tetradic

#180D3C #3C0D1A #313C0D #0D3C30

square

#180D3C #3C0D1A #313C0D #0D3C30

split-complementary

#180D3C #3C300D #1A3C0D

monochromatic

#0A0519 #0A0519 #180D3C #2C186E #4023A1

Accessibility & contrast

On white

18.08

#180D3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180D3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D3C

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D3C	#FFFFFF	#000000	##FFFFFF
##180D3C	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173D

Deuteranopia (green-blind)

#00153B

Tritanopia (blue-blind)

#0A1923

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180d3c;
/* rgb */ color: rgb(24, 13, 60);
/* oklch */ color: oklch(20.9% 0.085 287.4);

Tailwind

colors: {
  custom: {
    50: '#594c72',
    500: '#180d3c',
    950: '#000000',
  },
}

SCSS

$custom: #180d3c;
$custom-light: #594c72;
$custom-dark: #000000;

JSON

{
  "hex": "#180d3c",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 60
  },
  "hsl": {
    "h": 254.043,
    "s": 64.384,
    "l": 14.314
  },
  "oklch": {
    "l": 0.2095,
    "c": 0.08511,
    "h": 287.4
  },
  "luminance": 0.00808
}

Semantic roles & 50–950 ramp

primary

#180D3C

secondary

#66782D

accent

#E740C0

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #180D3C

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

Preview Lab → · Contrast checker → · Palette generator →