#18083F#18083F

#18083F is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.096 H 288.0°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#18083F
RGB	rgb(24, 8, 63)
HSL	hsl(257, 77%, 14%)
HSV	hsv(257, 87%, 25%)
CMYK	cmyk(61.9%, 87.3%, 0%, 75.3%)
CIE-LAB	lab(6.56, 24.14, -31.60)
CIE-LCH	lch(6.56, 39.77, 307.38°)
OKLab	oklab(20.47% 0.0298 -0.0914)
OKLCH	oklch(20.47% 0.096 288)
XYZ	xyz(1.3605, 0.7267, 4.7702)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18083F #2F3F08

analogous

#08143F #18083F #34083F

triadic

#18083F #3F1808 #083F18

tetradic

#18083F #3F0814 #2F3F08 #083F34

square

#18083F #3F0814 #2F3F08 #083F34

split-complementary

#18083F #3F3408 #143F08

monochromatic

#0A031B #0A031B #18083F #2D0F75 #4116AC

Accessibility & contrast

On white

18.33

#18083F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#18083F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18083F

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18083F	#FFFFFF	#000000	##FFFFFF
##18083F	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001641

Deuteranopia (green-blind)

#00133E

Tritanopia (blue-blind)

#081823

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #18083f;
/* rgb */ color: rgb(24, 8, 63);
/* oklch */ color: oklch(20.5% 0.096 288.0);

Tailwind

colors: {
  custom: {
    50: '#5a4975',
    500: '#18083f',
    950: '#000000',
  },
}

SCSS

$custom: #18083f;
$custom-light: #5a4975;
$custom-dark: #000000;

JSON

{
  "hex": "#18083f",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 63
  },
  "hsl": {
    "h": 257.455,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20475,
    "c": 0.09612,
    "h": 288
  },
  "luminance": 0.00727
}

Semantic roles & 50–950 ramp

primary

#18083F

secondary

#647E25

accent

#F434BC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #18083F

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

Preview Lab → · Contrast checker → · Palette generator →