#180C3D#180C3D

#180C3D is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.9% C 0.088 H 287.4°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#180C3D
RGB	rgb(24, 12, 61)
HSL	hsl(255, 67%, 14%)
HSV	hsv(255, 80%, 24%)
CMYK	cmyk(60.7%, 80.3%, 0%, 76.1%)
CIE-LAB	lab(7.17, 21.21, -29.18)
CIE-LCH	lch(7.17, 36.07, 306.02°)
OKLab	oklab(20.88% 0.0263 -0.084)
OKLCH	oklch(20.88% 0.088 287.4)
XYZ	xyz(1.3502, 0.7940, 4.4961)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C3D #313D0C

analogous

#0C193D #180C3D #310C3D

triadic

#180C3D #3D180C #0C3D18

tetradic

#180C3D #3D0C19 #313D0C #0C3D31

square

#180C3D #3D0C19 #313D0C #0C3D31

split-complementary

#180C3D #3D310C #193D0C

monochromatic

#0A051A #0A051A #180C3D #2C1670 #4020A3

Accessibility & contrast

On white

18.12

#180C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C3D

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C3D	#FFFFFF	#000000	##FFFFFF
##180C3D	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173E

Deuteranopia (green-blind)

#00143C

Tritanopia (blue-blind)

#091923

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180c3d;
/* rgb */ color: rgb(24, 12, 61);
/* oklch */ color: oklch(20.9% 0.088 287.4);

Tailwind

colors: {
  custom: {
    50: '#5a4c73',
    500: '#180c3d',
    950: '#000000',
  },
}

SCSS

$custom: #180c3d;
$custom-light: #5a4c73;
$custom-dark: #000000;

JSON

{
  "hex": "#180c3d",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 61
  },
  "hsl": {
    "h": 254.694,
    "s": 67.123,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20883,
    "c": 0.08802,
    "h": 287.4
  },
  "luminance": 0.00794
}

Semantic roles & 50–950 ramp

primary

#180C3D

secondary

#66792C

accent

#EA3EC0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180C3D

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

Preview Lab → · Contrast checker → · Palette generator →