#180A31#180A31

#180A31 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.3% C 0.073 H 295.1°. Best body text is #FFFFFF at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#180A31
RGB	rgb(24, 10, 49)
HSL	hsl(262, 66%, 12%)
HSV	hsv(262, 80%, 19%)
CMYK	cmyk(51%, 79.6%, 0%, 80.8%)
CIE-LAB	lab(5.72, 17.37, -22.78)
CIE-LCH	lch(5.72, 28.65, 307.34°)
OKLab	oklab(19.3% 0.0311 -0.0664)
OKLCH	oklch(19.3% 0.073 295.1)
XYZ	xyz(1.0395, 0.6330, 2.9725)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.33

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A31 #23310A

analogous

#0A1031 #180A31 #2C0A31

triadic

#180A31 #31180A #0A3118

tetradic

#180A31 #310A10 #23310A #0A312C

square

#180A31 #310A10 #23310A #0A312C

split-complementary

#180A31 #312C0A #10310A

monochromatic

#0C0519 #0C0519 #180A31 #311464 #4A1F97

Accessibility & contrast

On white

18.64

#180A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A31

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A31	#FFFFFF	#000000	##FFFFFF
##180A31	1.00	18.64	1.13	18.64
#FFFFFF	18.64	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001332

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#11131C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180a31;
/* rgb */ color: rgb(24, 10, 49);
/* oklch */ color: oklch(19.3% 0.073 295.1);

Tailwind

colors: {
  custom: {
    50: '#574a69',
    500: '#180a31',
    950: '#000000',
  },
}

SCSS

$custom: #180a31;
$custom-light: #574a69;
$custom-dark: #000000;

JSON

{
  "hex": "#180a31",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 49
  },
  "hsl": {
    "h": 261.538,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19304,
    "c": 0.07328,
    "h": 295.1
  },
  "luminance": 0.00633
}

Semantic roles & 50–950 ramp

primary

#180A31

secondary

#556E29

accent

#E93FAC

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #180A31

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

Preview Lab → · Contrast checker → · Palette generator →