#180440#180440

#180440 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.103 H 289.0°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#180440
RGB	rgb(24, 4, 64)
HSL	hsl(260, 88%, 13%)
HSV	hsv(260, 94%, 25%)
CMYK	cmyk(62.5%, 93.8%, 0%, 74.9%)
CIE-LAB	lab(5.88, 26.63, -33.43)
CIE-LCH	lch(5.88, 42.74, 308.54°)
OKLab	oklab(19.95% 0.0334 -0.0973)
OKLCH	oklch(19.95% 0.103 289)
XYZ	xyz(1.3452, 0.6511, 4.9043)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180440 #2C4004

analogous

#040E40 #180440 #360440

triadic

#180440 #401804 #044018

tetradic

#180440 #40040E #2C4004 #044036

square

#180440 #40040E #2C4004 #044036

split-complementary

#180440 #403604 #0E4004

monochromatic

#0B021D #0B021D #180440 #2E087A #430BB3

Accessibility & contrast

On white

18.58

#180440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180440

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180440	#FFFFFF	#000000	##FFFFFF
##180440	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#00113F

Tritanopia (blue-blind)

#071623

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180440;
/* rgb */ color: rgb(24, 4, 64);
/* oklch */ color: oklch(20.0% 0.103 289.0);

Tailwind

colors: {
  custom: {
    50: '#5b4776',
    500: '#180440',
    950: '#000000',
  },
}

SCSS

$custom: #180440;
$custom-light: #5b4776;
$custom-dark: #000000;

JSON

{
  "hex": "#180440",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 64
  },
  "hsl": {
    "h": 260,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.19953,
    "c": 0.10289,
    "h": 289
  },
  "luminance": 0.00651
}

Semantic roles & 50–950 ramp

primary

#180440

secondary

#60811F

accent

#FE29B7

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #180440

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

Preview Lab → · Contrast checker → · Palette generator →