#180D28#180D28

#180D28 is a very dark, muted violet. Relative luminance 0.006; OKLCH L 19.1% C 0.054 H 300.2°. Best body text is #FFFFFF at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#180D28
RGB	rgb(24, 13, 40)
HSL	hsl(264, 51%, 10%)
HSV	hsv(264, 68%, 16%)
CMYK	cmyk(40%, 67.5%, 0%, 84.3%)
CIE-LAB	lab(5.74, 12.22, -16.00)
CIE-LCH	lch(5.74, 20.14, 307.37°)
OKLab	oklab(19.08% 0.027 -0.0464)
OKLCH	oklch(19.08% 0.054 300.2)
XYZ	xyz(0.9035, 0.6352, 2.0821)
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

#180D28 #1D280D

analogous

#0D1028 #180D28 #250D28

triadic

#180D28 #28180D #0D2818

tetradic

#180D28 #280D10 #1D280D #0D2825

square

#180D28 #280D10 #1D280D #0D2825

split-complementary

#180D28 #28250D #10280D

monochromatic

#0E0817 #0E0817 #180D28 #341C56 #4F2B84

Accessibility & contrast

On white

18.63

#180D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180D28

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180D28	#FFFFFF	#000000	##FFFFFF
##180D28	1.00	18.63	1.13	18.63
#FFFFFF	18.63	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041329

Deuteranopia (green-blind)

#071227

Tritanopia (blue-blind)

#151218

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180d28;
/* rgb */ color: rgb(24, 13, 40);
/* oklch */ color: oklch(19.1% 0.054 300.2);

Tailwind

colors: {
  custom: {
    50: '#554c62',
    500: '#180d28',
    950: '#000000',
  },
}

SCSS

$custom: #180d28;
$custom-light: #554c62;
$custom-dark: #000000;

JSON

{
  "hex": "#180d28",
  "rgb": {
    "r": 24,
    "g": 13,
    "b": 40
  },
  "hsl": {
    "h": 264.444,
    "s": 50.943,
    "l": 10.392
  },
  "oklch": {
    "l": 0.19076,
    "c": 0.05369,
    "h": 300.2
  },
  "luminance": 0.00635
}

Semantic roles & 50–950 ramp

primary

#180D28

secondary

#4D622F

accent

#DA4DA1

background

#F5F4F5

surface

#E9E7EA

border

#C5C3C6

text

#030105

muted

#787779

Preview Lab

Preview with #180D28

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

Preview Lab → · Contrast checker → · Palette generator →