#180C33#180C33

#180C33 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.073 H 292.7°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#180C33
RGB	rgb(24, 12, 51)
HSL	hsl(258, 62%, 12%)
HSV	hsv(258, 76%, 20%)
CMYK	cmyk(52.9%, 76.5%, 0%, 80%)
CIE-LAB	lab(6.29, 17.22, -23.34)
CIE-LCH	lch(6.29, 29.00, 306.42°)
OKLab	oklab(19.86% 0.0281 -0.0674)
OKLCH	oklch(19.86% 0.073 292.7)
XYZ	xyz(1.1055, 0.6961, 3.2074)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 5.14

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C33 #27330C

analogous

#0C1333 #180C33 #2C0C33

triadic

#180C33 #33180C #0C3318

tetradic

#180C33 #330C13 #27330C #0C332C

square

#180C33 #330C13 #27330C #0C332C

split-complementary

#180C33 #332C0C #13330C

monochromatic

#0C0619 #0C0619 #180C33 #2F1865 #472396

Accessibility & contrast

On white

18.43

#180C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#180C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C33

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C33	#FFFFFF	#000000	##FFFFFF
##180C33	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)

#001434

Deuteranopia (green-blind)

#001332

Tritanopia (blue-blind)

#10151E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #180c33;
/* rgb */ color: rgb(24, 12, 51);
/* oklch */ color: oklch(19.9% 0.073 292.7);

Tailwind

colors: {
  custom: {
    50: '#574b6b',
    500: '#180c33',
    950: '#000000',
  },
}

SCSS

$custom: #180c33;
$custom-light: #574b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#180c33",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 51
  },
  "hsl": {
    "h": 258.462,
    "s": 61.905,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19861,
    "c": 0.07304,
    "h": 292.7
  },
  "luminance": 0.00696
}

Semantic roles & 50–950 ramp

primary

#180C33

secondary

#5A6F2C

accent

#E543B3

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030106

muted

#78777A

Preview Lab

Preview with #180C33

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

Preview Lab → · Contrast checker → · Palette generator →