#180841#180841

#180841 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.7% C 0.099 H 287.1°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#180841
RGB	rgb(24, 8, 65)
HSL	hsl(257, 78%, 14%)
HSV	hsv(257, 88%, 25%)
CMYK	cmyk(63.1%, 87.7%, 0%, 74.5%)
CIE-LAB	lab(6.77, 24.93, -32.70)
CIE-LCH	lch(6.77, 41.11, 307.32°)
OKLab	oklab(20.71% 0.0291 -0.0945)
OKLCH	oklch(20.71% 0.099 287.1)
XYZ	xyz(1.4174, 0.7494, 5.0700)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180841 #314108

analogous

#081541 #180841 #350841

triadic

#180841 #411808 #084118

tetradic

#180841 #410815 #314108 #084135

square

#180841 #410815 #314108 #084135

split-complementary

#180841 #413508 #154108

monochromatic

#0A031B #0A031B #180841 #2C0F77 #4015AE

Accessibility & contrast

On white

18.26

#180841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#180841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180841

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180841	#FFFFFF	#000000	##FFFFFF
##180841	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001643

Deuteranopia (green-blind)

#001340

Tritanopia (blue-blind)

#061824

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #180841;
/* rgb */ color: rgb(24, 8, 65);
/* oklch */ color: oklch(20.7% 0.099 287.1);

Tailwind

colors: {
  custom: {
    50: '#5b4976',
    500: '#180841',
    950: '#000000',
  },
}

SCSS

$custom: #180841;
$custom-light: #5b4976;
$custom-dark: #000000;

JSON

{
  "hex": "#180841",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 65
  },
  "hsl": {
    "h": 256.842,
    "s": 78.082,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20707,
    "c": 0.09882,
    "h": 287.1
  },
  "luminance": 0.0075
}

Semantic roles & 50–950 ramp

primary

#180841

secondary

#667F25

accent

#F533BE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #180841

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

Preview Lab → · Contrast checker → · Palette generator →