#100431#100431

#100431 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.1% C 0.084 H 287.1°. Best body text is #FFFFFF at 19.38:1 contrast (WCAG AA passes).

Color values

HEX	#100431
RGB	rgb(16, 4, 49)
HSL	hsl(256, 85%, 10%)
HSV	hsv(256, 92%, 19%)
CMYK	cmyk(67.3%, 91.8%, 0%, 80.8%)
CIE-LAB	lab(3.78, 16.93, -25.92)
CIE-LCH	lch(3.78, 30.96, 303.16°)
OKLab	oklab(17.1% 0.0246 -0.08)
OKLCH	oklch(17.1% 0.084 287.1)
XYZ	xyz(0.8113, 0.4187, 2.9432)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 3.28

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100431 #253104

analogous

#040E31 #100431 #260431

triadic

#100431 #311004 #043110

tetradic

#100431 #31040E #253104 #043126

square

#100431 #31040E #253104 #043126

split-complementary

#100431 #312604 #0E3104

monochromatic

#09021C #09021C #100431 #22096A #350DA2

Accessibility & contrast

On white

19.38

#100431 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100431 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100431

19.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100431	#FFFFFF	#000000	##FFFFFF
##100431	1.00	19.38	1.08	19.38
#FFFFFF	19.38	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F32

Deuteranopia (green-blind)

#000C30

Tritanopia (blue-blind)

#03101A

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100431;
/* rgb */ color: rgb(16, 4, 49);
/* oklch */ color: oklch(17.1% 0.084 287.1);

Tailwind

colors: {
  custom: {
    50: '#514869',
    500: '#100431',
    950: '#000000',
  },
}

SCSS

$custom: #100431;
$custom-light: #514869;
$custom-dark: #000000;

JSON

{
  "hex": "#100431",
  "rgb": {
    "r": 16,
    "g": 4,
    "b": 49
  },
  "hsl": {
    "h": 256,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.17099,
    "c": 0.08369,
    "h": 287.1
  },
  "luminance": 0.00419
}

Semantic roles & 50–950 ramp

primary

#100431

secondary

#5C731D

accent

#FB2DC4

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #100431

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

Preview Lab → · Contrast checker → · Palette generator →