#180D4A#180D4A

#180D4A is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.5% C 0.105 H 282.1°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#180D4A
RGB	rgb(24, 13, 74)
HSL	hsl(251, 70%, 17%)
HSV	hsv(251, 82%, 29%)
CMYK	cmyk(67.6%, 82.4%, 0%, 71%)
CIE-LAB	lab(8.79, 25.32, -35.71)
CIE-LCH	lch(8.79, 43.78, 305.34°)
OKLab	oklab(22.49% 0.022 -0.103)
OKLCH	oklch(22.49% 0.105 282.1)
XYZ	xyz(1.7563, 0.9763, 6.5731)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180D4A #3F4A0D

analogous

#0D204A #180D4A #370D4A

triadic

#180D4A #4A180D #0D4A18

tetradic

#180D4A #4A0D20 #3F4A0D #0D4A37

square

#180D4A #4A0D20 #3F4A0D #0D4A37

split-complementary

#180D4A #4A370D #204A0D

monochromatic

#08051A #08051A #180D4A #29167E #3A1FB2

Accessibility & contrast

On white

17.57

#180D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#180D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D4A

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D4A	#FFFFFF	#000000	##FFFFFF
##180D4A	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4C

Deuteranopia (green-blind)

#001749

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #180d4a;
/* rgb */ color: rgb(24, 13, 74);
/* oklch */ color: oklch(22.5% 0.105 282.1);

Tailwind

colors: {
  custom: {
    50: '#5d4d7d',
    500: '#180d4a',
    950: '#000000',
  },
}

SCSS

$custom: #180d4a;
$custom-light: #5d4d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#180d4a",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 74
  },
  "hsl": {
    "h": 250.82,
    "s": 70.115,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22488,
    "c": 0.10531,
    "h": 282.1
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#180D4A

secondary

#75852E

accent

#ED3BCD

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #180D4A

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

Preview Lab → · Contrast checker → · Palette generator →