#180339#180339

#180339 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 18.9% C 0.096 H 293.3°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#180339
RGB	rgb(24, 3, 57)
HSL	hsl(263, 90%, 12%)
HSV	hsv(263, 95%, 22%)
CMYK	cmyk(57.9%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(5.01, 24.14, -29.80)
CIE-LCH	lch(5.01, 38.35, 309.02°)
OKLab	oklab(18.92% 0.0379 -0.0879)
OKLCH	oklch(18.92% 0.096 293.3)
XYZ	xyz(1.1476, 0.5547, 3.9167)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180339 #243903

analogous

#030939 #180339 #330339

triadic

#180339 #391803 #033918

tetradic

#180339 #390309 #243903 #033933

square

#180339 #390309 #243903 #033933

split-complementary

#180339 #393303 #093903

monochromatic

#0C021D #0C021D #180339 #300673 #4909AD

Accessibility & contrast

On white

18.90

#180339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#180339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180339

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180339	#FFFFFF	#000000	##FFFFFF
##180339	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#001038

Tritanopia (blue-blind)

#0D121E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #180339;
/* rgb */ color: rgb(24, 3, 57);
/* oklch */ color: oklch(18.9% 0.096 293.3);

Tailwind

colors: {
  custom: {
    50: '#594770',
    500: '#180339',
    950: '#000000',
  },
}

SCSS

$custom: #180339;
$custom-light: #594770;
$custom-dark: #000000;

JSON

{
  "hex": "#180339",
  "rgb": {
    "r": 24,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 263.333,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18922,
    "c": 0.09576,
    "h": 293.3
  },
  "luminance": 0.00555
}

Semantic roles & 50–950 ramp

primary

#180339

secondary

#577C1C

accent

#FF29AC

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #180339

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

Preview Lab → · Contrast checker → · Palette generator →