#180539#180539

#180539 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.092 H 292.5°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#180539
RGB	rgb(24, 5, 57)
HSL	hsl(262, 84%, 12%)
HSV	hsv(262, 91%, 22%)
CMYK	cmyk(57.9%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(5.40, 23.17, -29.16)
CIE-LCH	lch(5.40, 37.25, 308.47°)
OKLab	oklab(19.28% 0.0353 -0.0855)
OKLCH	oklch(19.28% 0.092 292.5)
XYZ	xyz(1.1693, 0.5981, 3.9239)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180539 #263905

analogous

#050C39 #180539 #320539

triadic

#180539 #391805 #053918

tetradic

#180539 #39050C #263905 #053932

square

#180539 #39050C #263905 #053932

split-complementary

#180539 #393205 #0C3905

monochromatic

#0C021C #0C021C #180539 #300A71 #470FAA

Accessibility & contrast

On white

18.76

#180539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180539

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180539	#FFFFFF	#000000	##FFFFFF
##180539	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#0D131F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180539;
/* rgb */ color: rgb(24, 5, 57);
/* oklch */ color: oklch(19.3% 0.092 292.5);

Tailwind

colors: {
  custom: {
    50: '#594870',
    500: '#180539',
    950: '#000000',
  },
}

SCSS

$custom: #180539;
$custom-light: #594870;
$custom-dark: #000000;

JSON

{
  "hex": "#180539",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 261.923,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19281,
    "c": 0.09248,
    "h": 292.5
  },
  "luminance": 0.00598
}

Semantic roles & 50–950 ramp

primary

#180539

secondary

#597A20

accent

#FA2EAF

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180539

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

Preview Lab → · Contrast checker → · Palette generator →