#180340#180340

#180340 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.8% C 0.104 H 289.3°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#180340
RGB	rgb(24, 3, 64)
HSL	hsl(261, 91%, 13%)
HSV	hsv(261, 95%, 25%)
CMYK	cmyk(62.5%, 95.3%, 0%, 74.9%)
CIE-LAB	lab(5.69, 27.15, -33.75)
CIE-LCH	lch(5.69, 43.32, 308.81°)
OKLab	oklab(19.79% 0.0345 -0.0984)
OKLCH	oklch(19.79% 0.104 289.3)
XYZ	xyz(1.3344, 0.6294, 4.9007)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180340 #2B4003

analogous

#030C40 #180340 #360340

triadic

#180340 #401803 #034018

tetradic

#180340 #40030C #2B4003 #034036

square

#180340 #40030C #2B4003 #034036

split-complementary

#180340 #403603 #0C4003

monochromatic

#0B011D #0B011D #180340 #2E067A #4408B5

Accessibility & contrast

On white

18.65

#180340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#180340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180340

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180340	#FFFFFF	#000000	##FFFFFF
##180340	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001442

Deuteranopia (green-blind)

#00113F

Tritanopia (blue-blind)

#071522

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #180340;
/* rgb */ color: rgb(24, 3, 64);
/* oklch */ color: oklch(19.8% 0.104 289.3);

Tailwind

colors: {
  custom: {
    50: '#5b4776',
    500: '#180340',
    950: '#000000',
  },
}

SCSS

$custom: #180340;
$custom-light: #5b4776;
$custom-dark: #000000;

JSON

{
  "hex": "#180340",
  "rgb": {
    "r": 24,
    "g": 3,
    "b": 64
  },
  "hsl": {
    "h": 260.656,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.19787,
    "c": 0.10432,
    "h": 289.3
  },
  "luminance": 0.00629
}

Semantic roles & 50–950 ramp

primary

#180340

secondary

#5F821D

accent

#FF29B5

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #180340

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

Preview Lab → · Contrast checker → · Palette generator →