#180537#180537

#180537 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.1% C 0.090 H 293.7°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#180537
RGB	rgb(24, 5, 55)
HSL	hsl(263, 83%, 12%)
HSV	hsv(263, 91%, 22%)
CMYK	cmyk(56.4%, 90.9%, 0%, 78.4%)
CIE-LAB	lab(5.23, 22.30, -27.99)
CIE-LCH	lch(5.23, 35.79, 308.55°)
OKLab	oklab(19.05% 0.0361 -0.0823)
OKLCH	oklch(19.05% 0.09 293.7)
XYZ	xyz(1.1204, 0.5785, 3.6663)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 4.87

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180537 #243705

analogous

#050B37 #180537 #310537

triadic

#180537 #371805 #053718

tetradic

#180537 #37050B #243705 #053731

square

#180537 #37050B #243705 #053731

split-complementary

#180537 #373105 #0B3705

monochromatic

#0C031C #0C031C #180537 #300A6F #490FA7

Accessibility & contrast

On white

18.82

#180537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180537

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180537	#FFFFFF	#000000	##FFFFFF
##180537	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001238

Deuteranopia (green-blind)

#001036

Tritanopia (blue-blind)

#0E131E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180537;
/* rgb */ color: rgb(24, 5, 55);
/* oklch */ color: oklch(19.1% 0.090 293.7);

Tailwind

colors: {
  custom: {
    50: '#59486e',
    500: '#180537',
    950: '#000000',
  },
}

SCSS

$custom: #180537;
$custom-light: #59486e;
$custom-dark: #000000;

JSON

{
  "hex": "#180537",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 262.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.1905,
    "c": 0.08989,
    "h": 293.7
  },
  "luminance": 0.00579
}

Semantic roles & 50–950 ramp

primary

#180537

secondary

#577820

accent

#FA2EAC

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180537

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

Preview Lab → · Contrast checker → · Palette generator →