#180B44#180B44

#180B44 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.5% C 0.099 H 284.8°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#180B44
RGB	rgb(24, 11, 68)
HSL	hsl(254, 72%, 15%)
HSV	hsv(254, 84%, 27%)
CMYK	cmyk(64.7%, 83.8%, 0%, 73.3%)
CIE-LAB	lab(7.69, 24.41, -33.32)
CIE-LCH	lch(7.69, 41.31, 306.23°)
OKLab	oklab(21.5% 0.0254 -0.096)
OKLCH	oklch(21.5% 0.099 284.8)
XYZ	xyz(1.5394, 0.8508, 5.5508)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180B44 #37440B

analogous

#0B1A44 #180B44 #340B44

triadic

#180B44 #44180B #0B4418

tetradic

#180B44 #440B1A #37440B #0B4434

square

#180B44 #440B1A #37440B #0B4434

split-complementary

#180B44 #44340B #1A440B

monochromatic

#09041A #09041A #180B44 #2B1479 #3D1CAD

Accessibility & contrast

On white

17.95

#180B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B44

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B44	#FFFFFF	#000000	##FFFFFF
##180B44	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001846

Deuteranopia (green-blind)

#001543

Tritanopia (blue-blind)

#031B27

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180b44;
/* rgb */ color: rgb(24, 11, 68);
/* oklch */ color: oklch(21.5% 0.099 284.8);

Tailwind

colors: {
  custom: {
    50: '#5c4b79',
    500: '#180b44',
    950: '#000000',
  },
}

SCSS

$custom: #180b44;
$custom-light: #5c4b79;
$custom-dark: #000000;

JSON

{
  "hex": "#180b44",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 68
  },
  "hsl": {
    "h": 253.684,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21499,
    "c": 0.0993,
    "h": 284.8
  },
  "luminance": 0.00851
}

Semantic roles & 50–950 ramp

primary

#180B44

secondary

#6D812A

accent

#EF39C5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180B44

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

Preview Lab → · Contrast checker → · Palette generator →