#180B49#180B49

#180B49 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.1% C 0.106 H 283.0°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#180B49
RGB	rgb(24, 11, 73)
HSL	hsl(253, 74%, 16%)
HSV	hsv(253, 85%, 29%)
CMYK	cmyk(67.1%, 84.9%, 0%, 71.4%)
CIE-LAB	lab(8.26, 26.16, -35.89)
CIE-LCH	lch(8.26, 44.42, 306.09°)
OKLab	oklab(22.08% 0.0239 -0.1035)
OKLCH	oklch(22.08% 0.106 283)
XYZ	xyz(1.6986, 0.9145, 6.3890)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180B49 #3C490B

analogous

#0B1D49 #180B49 #370B49

triadic

#180B49 #49180B #0B4918

tetradic

#180B49 #490B1D #3C490B #0B4937

square

#180B49 #490B1D #3C490B #0B4937

split-complementary

#180B49 #49370B #1D490B

monochromatic

#09041B #09041B #180B49 #29137E #3B1BB3

Accessibility & contrast

On white

17.75

#180B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#180B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B49

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180B49	#FFFFFF	#000000	##FFFFFF
##180B49	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4B

Deuteranopia (green-blind)

#001648

Tritanopia (blue-blind)

#001D29

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #180b49;
/* rgb */ color: rgb(24, 11, 73);
/* oklch */ color: oklch(22.1% 0.106 283.0);

Tailwind

colors: {
  custom: {
    50: '#5d4c7c',
    500: '#180b49',
    950: '#000000',
  },
}

SCSS

$custom: #180b49;
$custom-light: #5d4c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#180b49",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 73
  },
  "hsl": {
    "h": 252.581,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22077,
    "c": 0.10622,
    "h": 283
  },
  "luminance": 0.00915
}

Semantic roles & 50–950 ramp

primary

#180B49

secondary

#72852A

accent

#F037CA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #180B49

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

Preview Lab → · Contrast checker → · Palette generator →