#18103A#18103A

#18103A is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.3% C 0.077 H 286.6°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#18103A
RGB	rgb(24, 16, 58)
HSL	hsl(251, 57%, 15%)
HSV	hsv(251, 72%, 23%)
CMYK	cmyk(58.6%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(7.86, 17.50, -25.90)
CIE-LCH	lch(7.86, 31.26, 304.05°)
OKLab	oklab(21.31% 0.0221 -0.0742)
OKLCH	oklch(21.31% 0.077 286.6)
XYZ	xyz(1.3255, 0.8702, 4.1003)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18103A #323A10

analogous

#101D3A #18103A #2D103A

triadic

#18103A #3A1810 #103A18

tetradic

#18103A #3A101D #323A10 #103A2D

square

#18103A #3A101D #323A10 #103A2D

split-complementary

#18103A #3A2D10 #1D3A10

monochromatic

#0A0718 #0A0718 #18103A #2C1D6A #402A9A

Accessibility & contrast

On white

17.89

#18103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#18103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18103A

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18103A	#FFFFFF	#000000	##FFFFFF
##18103A	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#0B1A23

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #18103a;
/* rgb */ color: rgb(24, 16, 58);
/* oklch */ color: oklch(21.3% 0.077 286.6);

Tailwind

colors: {
  custom: {
    50: '#594e70',
    500: '#18103a',
    950: '#000000',
  },
}

SCSS

$custom: #18103a;
$custom-light: #594e70;
$custom-dark: #000000;

JSON

{
  "hex": "#18103a",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 251.429,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21309,
    "c": 0.07743,
    "h": 286.6
  },
  "luminance": 0.0087
}

Semantic roles & 50–950 ramp

primary

#18103A

secondary

#677432

accent

#E048C3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #18103A

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

Preview Lab → · Contrast checker → · Palette generator →