#180C4D#180C4D

#180C4D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.7% C 0.111 H 281.4°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#180C4D
RGB	rgb(24, 12, 77)
HSL	hsl(251, 73%, 17%)
HSV	hsv(251, 84%, 30%)
CMYK	cmyk(68.8%, 84.4%, 0%, 69.8%)
CIE-LAB	lab(8.93, 26.97, -37.57)
CIE-LCH	lch(8.93, 46.25, 305.67°)
OKLab	oklab(22.69% 0.0219 -0.1084)
OKLCH	oklch(22.69% 0.111 281.4)
XYZ	xyz(1.8473, 0.9928, 7.1140)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C4D #414D0C

analogous

#0C204D #180C4D #390C4D

triadic

#180C4D #4D180C #0C4D18

tetradic

#180C4D #4D0C20 #414D0C #0C4D39

square

#180C4D #4D0C20 #414D0C #0C4D39

split-complementary

#180C4D #4D390C #204D0C

monochromatic

#08041A #08041A #180C4D #291482 #391DB7

Accessibility & contrast

On white

17.52

#180C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#180C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C4D

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C4D	#FFFFFF	#000000	##FFFFFF
##180C4D	1.00	17.52	1.20	17.52
#FFFFFF	17.52	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00174C

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #180c4d;
/* rgb */ color: rgb(24, 12, 77);
/* oklch */ color: oklch(22.7% 0.111 281.4);

Tailwind

colors: {
  custom: {
    50: '#5e4c80',
    500: '#180c4d',
    950: '#000000',
  },
}

SCSS

$custom: #180c4d;
$custom-light: #5e4c80;
$custom-dark: #000000;

JSON

{
  "hex": "#180c4d",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 77
  },
  "hsl": {
    "h": 251.077,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2269,
    "c": 0.11057,
    "h": 281.4
  },
  "luminance": 0.00993
}

Semantic roles & 50–950 ramp

primary

#180C4D

secondary

#78892C

accent

#F038CE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180C4D

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

Preview Lab → · Contrast checker → · Palette generator →