#180C3C#180C3C

#180C3C is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 20.8% C 0.087 H 287.9°. Best body text is #FFFFFF at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#180C3C
RGB	rgb(24, 12, 60)
HSL	hsl(255, 67%, 14%)
HSV	hsv(255, 80%, 24%)
CMYK	cmyk(60%, 80%, 0%, 76.5%)
CIE-LAB	lab(7.08, 20.83, -28.61)
CIE-LCH	lch(7.08, 35.39, 306.05°)
OKLab	oklab(20.78% 0.0266 -0.0824)
OKLCH	oklch(20.78% 0.087 287.9)
XYZ	xyz(1.3235, 0.7833, 4.3555)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C3C #303C0C

analogous

#0C183C #180C3C #300C3C

triadic

#180C3C #3C180C #0C3C18

tetradic

#180C3C #3C0C18 #303C0C #0C3C30

square

#180C3C #3C0C18 #303C0C #0C3C30

split-complementary

#180C3C #3C300C #183C0C

monochromatic

#0A051A #0A051A #180C3C #2C166F #4120A2

Accessibility & contrast

On white

18.16

#180C3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180C3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C3C

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C3C	#FFFFFF	#000000	##FFFFFF
##180C3C	1.00	18.16	1.16	18.16
#FFFFFF	18.16	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173D

Deuteranopia (green-blind)

#00143B

Tritanopia (blue-blind)

#0A1822

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180c3c;
/* rgb */ color: rgb(24, 12, 60);
/* oklch */ color: oklch(20.8% 0.087 287.9);

Tailwind

colors: {
  custom: {
    50: '#5a4c72',
    500: '#180c3c',
    950: '#000000',
  },
}

SCSS

$custom: #180c3c;
$custom-light: #5a4c72;
$custom-dark: #000000;

JSON

{
  "hex": "#180c3c",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 60
  },
  "hsl": {
    "h": 255,
    "s": 66.667,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20777,
    "c": 0.08655,
    "h": 287.9
  },
  "luminance": 0.00783
}

Semantic roles & 50–950 ramp

primary

#180C3C

secondary

#65782C

accent

#EA3EBF

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #180C3C

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

Preview Lab → · Contrast checker → · Palette generator →