#100333#100333

#100333 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.1% C 0.088 H 286.5°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#100333
RGB	rgb(16, 3, 51)
HSL	hsl(256, 89%, 11%)
HSV	hsv(256, 94%, 20%)
CMYK	cmyk(68.6%, 94.1%, 0%, 80%)
CIE-LAB	lab(3.74, 18.43, -27.47)
CIE-LCH	lch(3.74, 33.08, 303.86°)
OKLab	oklab(17.13% 0.0251 -0.0846)
OKLCH	oklch(17.13% 0.088 286.5)
XYZ	xyz(0.8436, 0.4143, 3.1668)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100333 #263303

analogous

#030E33 #100333 #280333

triadic

#100333 #331003 #033310

tetradic

#100333 #33030E #263303 #033328

square

#100333 #33030E #263303 #033328

split-complementary

#100333 #332803 #0E3303

monochromatic

#09021D #09021D #100333 #22066D #340AA7

Accessibility & contrast

On white

19.39

#100333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100333

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100333	#FFFFFF	#000000	##FFFFFF
##100333	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F34

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#02101B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100333;
/* rgb */ color: rgb(16, 3, 51);
/* oklch */ color: oklch(17.1% 0.088 286.5);

Tailwind

colors: {
  custom: {
    50: '#52476b',
    500: '#100333',
    950: '#000000',
  },
}

SCSS

$custom: #100333;
$custom-light: #52476b;
$custom-dark: #000000;

JSON

{
  "hex": "#100333",
  "rgb": {
    "r": 16,
    "g": 3,
    "b": 51
  },
  "hsl": {
    "h": 256.25,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1713,
    "c": 0.08827,
    "h": 286.5
  },
  "luminance": 0.00414
}

Semantic roles & 50–950 ramp

primary

#100333

secondary

#5E761C

accent

#FF29C5

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #100333

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

Preview Lab → · Contrast checker → · Palette generator →