#18053C#18053C

#18053C is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.6% C 0.096 H 290.7°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#18053C
RGB	rgb(24, 5, 60)
HSL	hsl(261, 85%, 13%)
HSV	hsv(261, 92%, 24%)
CMYK	cmyk(60%, 91.7%, 0%, 76.5%)
CIE-LAB	lab(5.68, 24.45, -30.88)
CIE-LCH	lch(5.68, 39.39, 308.37°)
OKLab	oklab(19.63% 0.0341 -0.0901)
OKLCH	oklch(19.63% 0.096 290.7)
XYZ	xyz(1.2463, 0.6289, 4.3298)
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

#18053C #293C05

analogous

#050E3C #18053C #33053C

triadic

#18053C #3C1805 #053C18

tetradic

#18053C #3C050E #293C05 #053C33

square

#18053C #3C050E #293C05 #053C33

split-complementary

#18053C #3C3305 #0E3C05

monochromatic

#0B021C #0B021C #18053C #2F0A74 #450EAD

Accessibility & contrast

On white

18.65

#18053C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#18053C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18053C

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18053C	#FFFFFF	#000000	##FFFFFF
##18053C	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)

#00133E

Deuteranopia (green-blind)

#00113B

Tritanopia (blue-blind)

#0B1521

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #18053c;
/* rgb */ color: rgb(24, 5, 60);
/* oklch */ color: oklch(19.6% 0.096 290.7);

Tailwind

colors: {
  custom: {
    50: '#5a4872',
    500: '#18053c',
    950: '#000000',
  },
}

SCSS

$custom: #18053c;
$custom-light: #5a4872;
$custom-dark: #000000;

JSON

{
  "hex": "#18053c",
  "rgb": {
    "r": 24,
    "g": 5,
    "b": 60
  },
  "hsl": {
    "h": 260.727,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19635,
    "c": 0.09636,
    "h": 290.7
  },
  "luminance": 0.00629
}

Semantic roles & 50–950 ramp

primary

#18053C

secondary

#5D7D20

accent

#FB2DB4

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #18053C

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

Preview Lab → · Contrast checker → · Palette generator →