#180B41#180B41

#180B41 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.2% C 0.095 H 286.1°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#180B41
RGB	rgb(24, 11, 65)
HSL	hsl(254, 71%, 15%)
HSV	hsv(254, 83%, 25%)
CMYK	cmyk(63.1%, 83.1%, 0%, 74.5%)
CIE-LAB	lab(7.36, 23.31, -31.72)
CIE-LCH	lch(7.36, 39.37, 306.31°)
OKLab	oklab(21.16% 0.0263 -0.0914)
OKLCH	oklch(21.16% 0.095 286.1)
XYZ	xyz(1.4502, 0.8151, 5.0809)
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

#180B41 #34410B

analogous

#0B1941 #180B41 #330B41

triadic

#180B41 #41180B #0B4118

tetradic

#180B41 #410B19 #34410B #0B4133

square

#180B41 #410B19 #34410B #0B4133

split-complementary

#180B41 #41330B #19410B

monochromatic

#0A041A #0A041A #180B41 #2B1475 #3F1DAA

Accessibility & contrast

On white

18.06

#180B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B41

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B41	#FFFFFF	#000000	##FFFFFF
##180B41	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001843

Deuteranopia (green-blind)

#001540

Tritanopia (blue-blind)

#061A25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180b41;
/* rgb */ color: rgb(24, 11, 65);
/* oklch */ color: oklch(21.2% 0.095 286.1);

Tailwind

colors: {
  custom: {
    50: '#5b4b76',
    500: '#180b41',
    950: '#000000',
  },
}

SCSS

$custom: #180b41;
$custom-light: #5b4b76;
$custom-dark: #000000;

JSON

{
  "hex": "#180b41",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 65
  },
  "hsl": {
    "h": 254.444,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2116,
    "c": 0.09509,
    "h": 286.1
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#180B41

secondary

#6A7E2A

accent

#EE3AC3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180B41

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

Preview Lab → · Contrast checker → · Palette generator →