#100428#100428

#100428 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.0% C 0.071 H 293.1°. Best body text is #FFFFFF at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#100428
RGB	rgb(16, 4, 40)
HSL	hsl(260, 82%, 9%)
HSV	hsv(260, 90%, 16%)
CMYK	cmyk(60%, 90%, 0%, 84.3%)
CIE-LAB	lab(3.16, 12.58, -20.09)
CIE-LCH	lch(3.16, 23.70, 302.06°)
OKLab	oklab(16.02% 0.0279 -0.0653)
OKLCH	oklch(16.02% 0.071 293.1)
XYZ	xyz(0.6400, 0.3502, 2.0409)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100428 #1C2804

analogous

#040A28 #100428 #220428

triadic

#100428 #281004 #042810

tetradic

#100428 #28040A #1C2804 #042822

square

#100428 #28040A #1C2804 #042822

split-complementary

#100428 #282204 #0A2804

monochromatic

#0B031C #0B031C #100428 #260A60 #3D0F97

Accessibility & contrast

On white

19.63

#100428 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#100428 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100428

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100428	#FFFFFF	#000000	##FFFFFF
##100428	1.00	19.63	1.07	19.63
#FFFFFF	19.63	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C29

Deuteranopia (green-blind)

#000B27

Tritanopia (blue-blind)

#090D15

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #100428;
/* rgb */ color: rgb(16, 4, 40);
/* oklch */ color: oklch(16.0% 0.071 293.1);

Tailwind

colors: {
  custom: {
    50: '#4f4862',
    500: '#100428',
    950: '#000000',
  },
}

SCSS

$custom: #100428;
$custom-light: #4f4862;
$custom-dark: #000000;

JSON

{
  "hex": "#100428",
  "rgb": {
    "r": 16,
    "g": 4,
    "b": 40
  },
  "hsl": {
    "h": 260,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.16016,
    "c": 0.07098,
    "h": 293.1
  },
  "luminance": 0.0035
}

Semantic roles & 50–950 ramp

primary

#100428

secondary

#516B1D

accent

#F830B5

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#020005

muted

#787779

Preview Lab

Preview with #100428

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

Preview Lab → · Contrast checker → · Palette generator →