#180838#180838

#180838 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.7% C 0.086 H 291.7°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#180838
RGB	rgb(24, 8, 56)
HSL	hsl(260, 75%, 13%)
HSV	hsv(260, 86%, 22%)
CMYK	cmyk(57.1%, 85.7%, 0%, 78%)
CIE-LAB	lab(5.90, 21.28, -27.63)
CIE-LCH	lch(5.90, 34.87, 307.61°)
OKLab	oklab(19.69% 0.032 -0.0803)
OKLCH	oklch(19.69% 0.087 291.7)
XYZ	xyz(1.1771, 0.6533, 3.8047)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180838 #283808

analogous

#081038 #180838 #300838

triadic

#180838 #381808 #083818

tetradic

#180838 #380810 #283808 #083830

square

#180838 #380810 #283808 #083830

split-complementary

#180838 #383008 #103808

monochromatic

#0B041B #0B041B #180838 #2F106E #4617A3

Accessibility & contrast

On white

18.57

#180838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180838

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180838	#FFFFFF	#000000	##FFFFFF
##180838	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001439

Deuteranopia (green-blind)

#001237

Tritanopia (blue-blind)

#0E151F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180838;
/* rgb */ color: rgb(24, 8, 56);
/* oklch */ color: oklch(19.7% 0.086 291.7);

Tailwind

colors: {
  custom: {
    50: '#59496f',
    500: '#180838',
    950: '#000000',
  },
}

SCSS

$custom: #180838;
$custom-light: #59496f;
$custom-dark: #000000;

JSON

{
  "hex": "#180838",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 56
  },
  "hsl": {
    "h": 260,
    "s": 75,
    "l": 12.549
  },
  "oklch": {
    "l": 0.19687,
    "c": 0.0865,
    "h": 291.7
  },
  "luminance": 0.00653
}

Semantic roles & 50–950 ramp

primary

#180838

secondary

#5C7725

accent

#F236B3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180838

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

Preview Lab → · Contrast checker → · Palette generator →