#180C50#180C50

#180C50 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.115 H 280.5°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#180C50
RGB	rgb(24, 12, 80)
HSL	hsl(251, 74%, 18%)
HSV	hsv(251, 85%, 31%)
CMYK	cmyk(70%, 85%, 0%, 68.6%)
CIE-LAB	lab(9.29, 28.01, -39.05)
CIE-LCH	lch(9.29, 48.05, 305.65°)
OKLab	oklab(23.05% 0.021 -0.1127)
OKLCH	oklch(23.05% 0.115 280.5)
XYZ	xyz(1.9557, 1.0362, 7.6848)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180C50 #44500C

analogous

#0C2250 #180C50 #3A0C50

triadic

#180C50 #50180C #0C5018

tetradic

#180C50 #500C22 #44500C #0C503A

square

#180C50 #500C22 #44500C #0C503A

split-complementary

#180C50 #503A0C #22500C

monochromatic

#08041B #08041B #180C50 #281485 #381CBA

Accessibility & contrast

On white

17.40

#180C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#180C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180C50

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180C50	#FFFFFF	#000000	##FFFFFF
##180C50	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C52

Deuteranopia (green-blind)

#00174F

Tritanopia (blue-blind)

#00202E

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #180c50;
/* rgb */ color: rgb(24, 12, 80);
/* oklch */ color: oklch(23.0% 0.115 280.5);

Tailwind

colors: {
  custom: {
    50: '#5e4d82',
    500: '#180c50',
    950: '#000000',
  },
}

SCSS

$custom: #180c50;
$custom-light: #5e4d82;
$custom-dark: #000000;

JSON

{
  "hex": "#180c50",
  "rgb": {
    "r": 24,
    "g": 12,
    "b": 80
  },
  "hsl": {
    "h": 250.588,
    "s": 73.913,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23047,
    "c": 0.11464,
    "h": 280.5
  },
  "luminance": 0.01036
}

Semantic roles & 50–950 ramp

primary

#180C50

secondary

#7B8B2C

accent

#F137D0

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #180C50

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

Preview Lab → · Contrast checker → · Palette generator →