#180738#180738

#180738 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.5% C 0.088 H 292.2°. Best body text is #FFFFFF at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#180738
RGB	rgb(24, 7, 56)
HSL	hsl(261, 78%, 12%)
HSV	hsv(261, 88%, 22%)
CMYK	cmyk(57.1%, 87.5%, 0%, 78%)
CIE-LAB	lab(5.71, 21.77, -27.94)
CIE-LCH	lch(5.71, 35.42, 307.92°)
OKLab	oklab(19.52% 0.0332 -0.0815)
OKLCH	oklch(19.52% 0.088 292.2)
XYZ	xyz(1.1663, 0.6316, 3.8011)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180738 #273807

analogous

#070F38 #180738 #310738

triadic

#180738 #381807 #073818

tetradic

#180738 #38070F #273807 #073831

square

#180738 #38070F #273807 #073831

split-complementary

#180738 #383107 #0F3807

monochromatic

#0C031B #0C031B #180738 #2F0E6E #4715A5

Accessibility & contrast

On white

18.64

#180738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180738

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180738	#FFFFFF	#000000	##FFFFFF
##180738	1.00	18.64	1.13	18.64
#FFFFFF	18.64	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#001237

Tritanopia (blue-blind)

#0E141F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180738;
/* rgb */ color: rgb(24, 7, 56);
/* oklch */ color: oklch(19.5% 0.088 292.2);

Tailwind

colors: {
  custom: {
    50: '#59496f',
    500: '#180738',
    950: '#000000',
  },
}

SCSS

$custom: #180738;
$custom-light: #59496f;
$custom-dark: #000000;

JSON

{
  "hex": "#180738",
  "rgb": {
    "r": 24,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 260.816,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19516,
    "c": 0.08802,
    "h": 292.2
  },
  "luminance": 0.00632
}

Semantic roles & 50–950 ramp

primary

#180738

secondary

#5A7823

accent

#F434B1

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180738

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

Preview Lab → · Contrast checker → · Palette generator →