#180A2B#180A2B

#180A2B is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.7% C 0.064 H 299.7°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#180A2B
RGB	rgb(24, 10, 43)
HSL	hsl(265, 62%, 10%)
HSV	hsv(265, 77%, 17%)
CMYK	cmyk(44.2%, 76.7%, 0%, 83.1%)
CIE-LAB	lab(5.29, 14.83, -18.97)
CIE-LCH	lch(5.29, 24.08, 308.02°)
OKLab	oklab(18.73% 0.0318 -0.0558)
OKLCH	oklch(18.73% 0.064 299.7)
XYZ	xyz(0.9212, 0.5857, 2.3495)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A2B #1D2B0A

analogous

#0A0C2B #180A2B #280A2B

triadic

#180A2B #2B180A #0A2B18

tetradic

#180A2B #2B0A0C #1D2B0A #0A2B28

square

#180A2B #2B0A0C #1D2B0A #0A2B28

split-complementary

#180A2B #2B280A #0C2B0A

monochromatic

#0E0619 #0E0619 #180A2B #34165D #4F218E

Accessibility & contrast

On white

18.80

#180A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#180A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A2B

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A2B	#FFFFFF	#000000	##FFFFFF
##180A2B	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122C

Deuteranopia (green-blind)

#02112A

Tritanopia (blue-blind)

#141119

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #180a2b;
/* rgb */ color: rgb(24, 10, 43);
/* oklch */ color: oklch(18.7% 0.064 299.7);

Tailwind

colors: {
  custom: {
    50: '#564b64',
    500: '#180a2b',
    950: '#000000',
  },
}

SCSS

$custom: #180a2b;
$custom-light: #564b64;
$custom-dark: #000000;

JSON

{
  "hex": "#180a2b",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 43
  },
  "hsl": {
    "h": 265.455,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18734,
    "c": 0.06422,
    "h": 299.7
  },
  "luminance": 0.00586
}

Semantic roles & 50–950 ramp

primary

#180A2B

secondary

#4D6829

accent

#E542A0

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030105

muted

#78777A

Preview Lab

Preview with #180A2B

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

Preview Lab → · Contrast checker → · Palette generator →