#180C38#180C38

#180C38 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.4% C 0.081 H 289.8°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#180C38
RGB	rgb(24, 12, 56)
HSL	hsl(256, 65%, 13%)
HSV	hsv(256, 79%, 22%)
CMYK	cmyk(57.1%, 78.6%, 0%, 78%)
CIE-LAB	lab(6.71, 19.25, -26.32)
CIE-LCH	lch(6.71, 32.61, 306.18°)
OKLab	oklab(20.36% 0.0274 -0.0758)
OKLCH	oklch(20.36% 0.081 289.8)
XYZ	xyz(1.2218, 0.7426, 3.8196)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C38 #2C380C

analogous

#0C1638 #180C38 #2E0C38

triadic

#180C38 #38180C #0C3818

tetradic

#180C38 #380C16 #2C380C #0C382E

square

#180C38 #380C16 #2C380C #0C382E

split-complementary

#180C38 #382E0C #16380C

monochromatic

#0B0519 #0B0519 #180C38 #2E176A #43229D

Accessibility & contrast

On white

18.28

#180C38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#180C38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C38

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C38	#FFFFFF	#000000	##FFFFFF
##180C38	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001639

Deuteranopia (green-blind)

#001437

Tritanopia (blue-blind)

#0D1720

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #180c38;
/* rgb */ color: rgb(24, 12, 56);
/* oklch */ color: oklch(20.4% 0.081 289.8);

Tailwind

colors: {
  custom: {
    50: '#594b6f',
    500: '#180c38',
    950: '#000000',
  },
}

SCSS

$custom: #180c38;
$custom-light: #594b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#180c38",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 56
  },
  "hsl": {
    "h": 256.364,
    "s": 64.706,
    "l": 13.333
  },
  "oklch": {
    "l": 0.2036,
    "c": 0.08061,
    "h": 289.8
  },
  "luminance": 0.00743
}

Semantic roles & 50–950 ramp

primary

#180C38

secondary

#60742C

accent

#E840BA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #180C38

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

Preview Lab → · Contrast checker → · Palette generator →