#180A42#180A42

#180A42 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.1% C 0.098 H 286.0°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#180A42
RGB	rgb(24, 10, 66)
HSL	hsl(255, 74%, 15%)
HSV	hsv(255, 85%, 26%)
CMYK	cmyk(63.6%, 84.8%, 0%, 74.1%)
CIE-LAB	lab(7.27, 24.24, -32.59)
CIE-LCH	lch(7.27, 40.62, 306.64°)
OKLab	oklab(21.12% 0.0269 -0.0939)
OKLCH	oklch(21.12% 0.098 286)
XYZ	xyz(1.4683, 0.8045, 5.2311)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A42 #34420A

analogous

#0A1842 #180A42 #340A42

triadic

#180A42 #42180A #0A4218

tetradic

#180A42 #420A18 #34420A #0A4234

square

#180A42 #420A18 #34420A #0A4234

split-complementary

#180A42 #42340A #18420A

monochromatic

#0A041B #0A041B #180A42 #2B1277 #3F1AAC

Accessibility & contrast

On white

18.09

#180A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#180A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A42

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A42	#FFFFFF	#000000	##FFFFFF
##180A42	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001744

Deuteranopia (green-blind)

#001441

Tritanopia (blue-blind)

#051A25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #180a42;
/* rgb */ color: rgb(24, 10, 66);
/* oklch */ color: oklch(21.1% 0.098 286.0);

Tailwind

colors: {
  custom: {
    50: '#5b4b77',
    500: '#180a42',
    950: '#000000',
  },
}

SCSS

$custom: #180a42;
$custom-light: #5b4b77;
$custom-dark: #000000;

JSON

{
  "hex": "#180a42",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 66
  },
  "hsl": {
    "h": 255,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21122,
    "c": 0.09772,
    "h": 286
  },
  "luminance": 0.00805
}

Semantic roles & 50–950 ramp

primary

#180A42

secondary

#6A7F29

accent

#F037C2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180A42

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

Preview Lab → · Contrast checker → · Palette generator →