#180A38#180A38

#180A38 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.084 H 290.8°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#180A38
RGB	rgb(24, 10, 56)
HSL	hsl(258, 70%, 13%)
HSV	hsv(258, 82%, 22%)
CMYK	cmyk(57.1%, 82.1%, 0%, 78%)
CIE-LAB	lab(6.29, 20.30, -26.99)
CIE-LCH	lch(6.29, 33.77, 306.94°)
OKLab	oklab(20.02% 0.0297 -0.0781)
OKLCH	oklch(20.02% 0.084 290.8)
XYZ	xyz(1.1988, 0.6967, 3.8119)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180A38 #2A380A

analogous

#0A1338 #180A38 #2F0A38

triadic

#180A38 #38180A #0A3818

tetradic

#180A38 #380A13 #2A380A #0A382F

square

#180A38 #380A13 #2A380A #0A382F

split-complementary

#180A38 #382F0A #13380A

monochromatic

#0B051A #0B051A #180A38 #2E136C #451DA0

Accessibility & contrast

On white

18.43

#180A38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180A38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180A38

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180A38	#FFFFFF	#000000	##FFFFFF
##180A38	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001539

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#0D1620

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180a38;
/* rgb */ color: rgb(24, 10, 56);
/* oklch */ color: oklch(20.0% 0.084 290.8);

Tailwind

colors: {
  custom: {
    50: '#594a6f',
    500: '#180a38',
    950: '#000000',
  },
}

SCSS

$custom: #180a38;
$custom-light: #594a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#180a38",
  "rgb": {
    "r": 24,
    "g": 10,
    "b": 56
  },
  "hsl": {
    "h": 258.261,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.2002,
    "c": 0.08356,
    "h": 290.8
  },
  "luminance": 0.00697
}

Semantic roles & 50–950 ramp

primary

#180A38

secondary

#5E7528

accent

#ED3BB7

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180A38

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

Preview Lab → · Contrast checker → · Palette generator →