#180839#180839

#180839 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.8% C 0.088 H 291.2°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#180839
RGB	rgb(24, 8, 57)
HSL	hsl(260, 75%, 13%)
HSV	hsv(260, 86%, 22%)
CMYK	cmyk(57.9%, 86%, 0%, 77.6%)
CIE-LAB	lab(5.99, 21.70, -28.21)
CIE-LCH	lch(5.99, 35.59, 307.57°)
OKLab	oklab(19.8% 0.0317 -0.082)
OKLCH	oklch(19.8% 0.088 291.2)
XYZ	xyz(1.2018, 0.6632, 3.9348)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180839 #293908

analogous

#081039 #180839 #300839

triadic

#180839 #391808 #083918

tetradic

#180839 #390810 #293908 #083930

square

#180839 #390810 #293908 #083930

split-complementary

#180839 #393008 #103908

monochromatic

#0B041B #0B041B #180839 #2F106F #4517A4

Accessibility & contrast

On white

18.54

#180839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180839

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180839	#FFFFFF	#000000	##FFFFFF
##180839	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001238

Tritanopia (blue-blind)

#0D1520

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180839;
/* rgb */ color: rgb(24, 8, 57);
/* oklch */ color: oklch(19.8% 0.088 291.2);

Tailwind

colors: {
  custom: {
    50: '#594970',
    500: '#180839',
    950: '#000000',
  },
}

SCSS

$custom: #180839;
$custom-light: #594970;
$custom-dark: #000000;

JSON

{
  "hex": "#180839",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 57
  },
  "hsl": {
    "h": 259.592,
    "s": 75.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19797,
    "c": 0.08788,
    "h": 291.2
  },
  "luminance": 0.00663
}

Semantic roles & 50–950 ramp

primary

#180839

secondary

#5D7825

accent

#F236B5

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180839

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

Preview Lab → · Contrast checker → · Palette generator →