#180840#180840

#180840 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.6% C 0.097 H 287.6°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#180840
RGB	rgb(24, 8, 64)
HSL	hsl(257, 78%, 14%)
HSV	hsv(257, 88%, 25%)
CMYK	cmyk(62.5%, 87.5%, 0%, 74.9%)
CIE-LAB	lab(6.67, 24.54, -32.15)
CIE-LCH	lch(6.67, 40.45, 307.35°)
OKLab	oklab(20.59% 0.0294 -0.0929)
OKLCH	oklch(20.59% 0.097 287.6)
XYZ	xyz(1.3887, 0.7379, 4.9188)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180840 #304008

analogous

#081440 #180840 #340840

triadic

#180840 #401808 #084018

tetradic

#180840 #400814 #304008 #084034

square

#180840 #400814 #304008 #084034

split-complementary

#180840 #403408 #144008

monochromatic

#0A031B #0A031B #180840 #2C0F76 #4116AD

Accessibility & contrast

On white

18.30

#180840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#180840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180840

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180840	#FFFFFF	#000000	##FFFFFF
##180840	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#071824

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #180840;
/* rgb */ color: rgb(24, 8, 64);
/* oklch */ color: oklch(20.6% 0.097 287.6);

Tailwind

colors: {
  custom: {
    50: '#5b4975',
    500: '#180840',
    950: '#000000',
  },
}

SCSS

$custom: #180840;
$custom-light: #5b4975;
$custom-dark: #000000;

JSON

{
  "hex": "#180840",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 64
  },
  "hsl": {
    "h": 257.143,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20591,
    "c": 0.09748,
    "h": 287.6
  },
  "luminance": 0.00738
}

Semantic roles & 50–950 ramp

primary

#180840

secondary

#657E25

accent

#F434BD

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180840

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

Preview Lab → · Contrast checker → · Palette generator →