#180C52#180C52

#180C52 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.3% C 0.117 H 280.0°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#180C52
RGB	rgb(24, 12, 82)
HSL	hsl(250, 74%, 18%)
HSV	hsv(250, 85%, 32%)
CMYK	cmyk(70.7%, 85.4%, 0%, 67.8%)
CIE-LAB	lab(9.53, 28.69, -40.03)
CIE-LCH	lch(9.53, 49.25, 305.64°)
OKLab	oklab(23.29% 0.0203 -0.1155)
OKLCH	oklch(23.29% 0.117 280)
XYZ	xyz(2.0307, 1.0662, 8.0798)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C52 #46520C

analogous

#0C2352 #180C52 #3B0C52

triadic

#180C52 #52180C #0C5218

tetradic

#180C52 #520C23 #46520C #0C523B

square

#180C52 #520C23 #46520C #0C523B

split-complementary

#180C52 #523B0C #23520C

monochromatic

#08041B #08041D #180C52 #281487 #371CBD

Accessibility & contrast

On white

17.31

#180C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C52

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C52	#FFFFFF	#000000	##FFFFFF
##180C52	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D54

Deuteranopia (green-blind)

#001851

Tritanopia (blue-blind)

#00212F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #180c52;
/* rgb */ color: rgb(24, 12, 82);
/* oklch */ color: oklch(23.3% 0.117 280.0);

Tailwind

colors: {
  custom: {
    50: '#5f4d83',
    500: '#180c52',
    950: '#000000',
  },
}

SCSS

$custom: #180c52;
$custom-light: #5f4d83;
$custom-dark: #000000;

JSON

{
  "hex": "#180c52",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 82
  },
  "hsl": {
    "h": 250.286,
    "s": 74.468,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23288,
    "c": 0.11733,
    "h": 280
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#180C52

secondary

#7D8D2C

accent

#F137D1

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #180C52

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

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