#180C42#180C42

#180C42 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.4% C 0.095 H 285.3°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#180C42
RGB	rgb(24, 12, 66)
HSL	hsl(253, 69%, 15%)
HSV	hsv(253, 82%, 26%)
CMYK	cmyk(63.6%, 81.8%, 0%, 74.1%)
CIE-LAB	lab(7.68, 23.09, -31.91)
CIE-LCH	lch(7.68, 39.39, 305.89°)
OKLab	oklab(21.43% 0.0251 -0.0919)
OKLCH	oklch(21.43% 0.095 285.3)
XYZ	xyz(1.4912, 0.8504, 5.2388)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C42 #36420C

analogous

#0C1B42 #180C42 #330C42

triadic

#180C42 #42180C #0C4218

tetradic

#180C42 #420C1B #36420C #0C4233

square

#180C42 #420C1B #36420C #0C4233

split-complementary

#180C42 #42330C #1B420C

monochromatic

#09051A #09051A #180C42 #2B1576 #3E1FAA

Accessibility & contrast

On white

17.95

#180C42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#180C42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C42

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C42	#FFFFFF	#000000	##FFFFFF
##180C42	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001844

Deuteranopia (green-blind)

#001541

Tritanopia (blue-blind)

#051B26

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #180c42;
/* rgb */ color: rgb(24, 12, 66);
/* oklch */ color: oklch(21.4% 0.095 285.3);

Tailwind

colors: {
  custom: {
    50: '#5b4c77',
    500: '#180c42',
    950: '#000000',
  },
}

SCSS

$custom: #180c42;
$custom-light: #5b4c77;
$custom-dark: #000000;

JSON

{
  "hex": "#180c42",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 66
  },
  "hsl": {
    "h": 253.333,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21428,
    "c": 0.09524,
    "h": 285.3
  },
  "luminance": 0.0085
}

Semantic roles & 50–950 ramp

primary

#180C42

secondary

#6C7E2C

accent

#EC3CC5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040109

muted

#79777B

Preview Lab

Preview with #180C42

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

Preview Lab → · Contrast checker → · Palette generator →