#180C53#180C53

#180C53 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.4% C 0.119 H 279.7°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#180C53
RGB	rgb(24, 12, 83)
HSL	hsl(250, 75%, 19%)
HSV	hsv(250, 86%, 33%)
CMYK	cmyk(71.1%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(9.65, 29.04, -40.51)
CIE-LCH	lch(9.65, 49.84, 305.63°)
OKLab	oklab(23.41% 0.02 -0.117)
OKLCH	oklch(23.41% 0.119 279.7)
XYZ	xyz(2.0690, 1.0815, 8.2817)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C53 #47530C

analogous

#0C2353 #180C53 #3B0C53

triadic

#180C53 #53180C #0C5318

tetradic

#180C53 #530C23 #47530C #0C533B

square

#180C53 #530C23 #47530C #0C533B

split-complementary

#180C53 #533B0C #23530C

monochromatic

#08041B #09041E #180C53 #271488 #371BBE

Accessibility & contrast

On white

17.26

#180C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#180C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C53

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C53	#FFFFFF	#000000	##FFFFFF
##180C53	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D55

Deuteranopia (green-blind)

#001852

Tritanopia (blue-blind)

#00212F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #180c53;
/* rgb */ color: rgb(24, 12, 83);
/* oklch */ color: oklch(23.4% 0.119 279.7);

Tailwind

colors: {
  custom: {
    50: '#5f4d84',
    500: '#180c53',
    950: '#000000',
  },
}

SCSS

$custom: #180c53;
$custom-light: #5f4d84;
$custom-dark: #000000;

JSON

{
  "hex": "#180c53",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 250.141,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23409,
    "c": 0.11866,
    "h": 279.7
  },
  "luminance": 0.01082
}

Semantic roles & 50–950 ramp

primary

#180C53

secondary

#7E8E2D

accent

#F136D2

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #180C53

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

Preview Lab → · Contrast checker → · Palette generator →