#180437#180437

#180437 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.9% C 0.092 H 294.1°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#180437
RGB	rgb(24, 4, 55)
HSL	hsl(264, 86%, 12%)
HSV	hsv(264, 93%, 22%)
CMYK	cmyk(56.4%, 92.7%, 0%, 78.4%)
CIE-LAB	lab(5.03, 22.78, -28.30)
CIE-LCH	lch(5.03, 36.33, 308.83°)
OKLab	oklab(18.87% 0.0375 -0.0836)
OKLCH	oklch(18.87% 0.092 294.1)
XYZ	xyz(1.1095, 0.5568, 3.6627)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 4.77

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180437 #233704

analogous

#040A37 #180437 #320437

triadic

#180437 #371804 #043718

tetradic

#180437 #37040A #233704 #043732

square

#180437 #37040A #233704 #043732

split-complementary

#180437 #373204 #0A3704

monochromatic

#0C021D #0C021D #180437 #310870 #4A0CA9

Accessibility & contrast

On white

18.90

#180437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#180437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180437

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180437	#FFFFFF	#000000	##FFFFFF
##180437	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001138

Deuteranopia (green-blind)

#001036

Tritanopia (blue-blind)

#0E121D

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180437;
/* rgb */ color: rgb(24, 4, 55);
/* oklch */ color: oklch(18.9% 0.092 294.1);

Tailwind

colors: {
  custom: {
    50: '#59476e',
    500: '#180437',
    950: '#000000',
  },
}

SCSS

$custom: #180437;
$custom-light: #59476e;
$custom-dark: #000000;

JSON

{
  "hex": "#180437",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 55
  },
  "hsl": {
    "h": 263.529,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.18867,
    "c": 0.09157,
    "h": 294.1
  },
  "luminance": 0.00557
}

Semantic roles & 50–950 ramp

primary

#180437

secondary

#55791E

accent

#FD2BAA

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180437

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

Preview Lab → · Contrast checker → · Palette generator →