#18083B#18083B

#18083B is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.091 H 290.1°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#18083B
RGB	rgb(24, 8, 59)
HSL	hsl(259, 76%, 13%)
HSV	hsv(259, 86%, 23%)
CMYK	cmyk(59.3%, 86.4%, 0%, 76.9%)
CIE-LAB	lab(6.17, 22.52, -29.36)
CIE-LCH	lch(6.17, 37.00, 307.50°)
OKLab	oklab(20.02% 0.0311 -0.0851)
OKLCH	oklch(20.02% 0.091 290.1)
XYZ	xyz(1.2527, 0.6836, 4.2028)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 4.89

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18083B #2B3B08

analogous

#08113B #18083B #31083B

triadic

#18083B #3B1808 #083B18

tetradic

#18083B #3B0811 #2B3B08 #083B31

square

#18083B #3B0811 #2B3B08 #083B31

split-complementary

#18083B #3B3108 #113B08

monochromatic

#0B041B #0B041B #18083B #2E0F71 #4417A7

Accessibility & contrast

On white

18.47

#18083B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#18083B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18083B

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18083B	#FFFFFF	#000000	##FFFFFF
##18083B	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00123A

Tritanopia (blue-blind)

#0B1621

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #18083b;
/* rgb */ color: rgb(24, 8, 59);
/* oklch */ color: oklch(20.0% 0.091 290.1);

Tailwind

colors: {
  custom: {
    50: '#594971',
    500: '#18083b',
    950: '#000000',
  },
}

SCSS

$custom: #18083b;
$custom-light: #594971;
$custom-dark: #000000;

JSON

{
  "hex": "#18083b",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 59
  },
  "hsl": {
    "h": 258.824,
    "s": 76.119,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2002,
    "c": 0.09065,
    "h": 290.1
  },
  "luminance": 0.00684
}

Semantic roles & 50–950 ramp

primary

#18083B

secondary

#5F7A25

accent

#F335B7

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #18083B

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

Preview Lab → · Contrast checker → · Palette generator →