#180C4F#180C4F

#180C4F is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.9% C 0.113 H 280.8°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#180C4F
RGB	rgb(24, 12, 79)
HSL	hsl(251, 74%, 18%)
HSV	hsv(251, 85%, 31%)
CMYK	cmyk(69.6%, 84.8%, 0%, 69%)
CIE-LAB	lab(9.17, 27.66, -38.56)
CIE-LCH	lch(9.17, 47.45, 305.65°)
OKLab	oklab(22.93% 0.0213 -0.1113)
OKLCH	oklch(22.93% 0.113 280.8)
XYZ	xyz(1.9190, 1.0215, 7.4917)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C4F #434F0C

analogous

#0C224F #180C4F #390C4F

triadic

#180C4F #4F180C #0C4F18

tetradic

#180C4F #4F0C22 #434F0C #0C4F39

square

#180C4F #4F0C22 #434F0C #0C4F39

split-complementary

#180C4F #4F390C #224F0C

monochromatic

#08041B #08041B #180C4F #281484 #381CB9

Accessibility & contrast

On white

17.44

#180C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#180C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C4F

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C4F	#FFFFFF	#000000	##FFFFFF
##180C4F	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C51

Deuteranopia (green-blind)

#00174E

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180c4f;
/* rgb */ color: rgb(24, 12, 79);
/* oklch */ color: oklch(22.9% 0.113 280.8);

Tailwind

colors: {
  custom: {
    50: '#5e4d81',
    500: '#180c4f',
    950: '#000000',
  },
}

SCSS

$custom: #180c4f;
$custom-light: #5e4d81;
$custom-dark: #000000;

JSON

{
  "hex": "#180c4f",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 79
  },
  "hsl": {
    "h": 250.746,
    "s": 73.626,
    "l": 17.843
  },
  "oklch": {
    "l": 0.22928,
    "c": 0.11329,
    "h": 280.8
  },
  "luminance": 0.01022
}

Semantic roles & 50–950 ramp

primary

#180C4F

secondary

#7A8B2C

accent

#F038CF

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #180C4F

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

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