#100233#100233

#100233 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.9% C 0.090 H 287.0°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#100233
RGB	rgb(16, 2, 51)
HSL	hsl(257, 92%, 10%)
HSV	hsv(257, 96%, 20%)
CMYK	cmyk(68.6%, 96.1%, 0%, 80%)
CIE-LAB	lab(3.55, 18.83, -27.78)
CIE-LCH	lch(3.55, 33.56, 304.13°)
OKLab	oklab(16.9% 0.0264 -0.0862)
OKLCH	oklch(16.9% 0.09 287)
XYZ	xyz(0.8328, 0.3925, 3.1632)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100233 #253302

analogous

#020C33 #100233 #280233

triadic

#100233 #331002 #023310

tetradic

#100233 #33020C #253302 #023328

square

#100233 #33020C #253302 #023328

split-complementary

#100233 #332802 #0C3302

monochromatic

#09011D #09011D #100233 #22046E #3507A9

Accessibility & contrast

On white

19.47

#100233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100233

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100233	#FFFFFF	#000000	##FFFFFF
##100233	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E34

Deuteranopia (green-blind)

#000B32

Tritanopia (blue-blind)

#02101A

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100233;
/* rgb */ color: rgb(16, 2, 51);
/* oklch */ color: oklch(16.9% 0.090 287.0);

Tailwind

colors: {
  custom: {
    50: '#52476b',
    500: '#100233',
    950: '#000000',
  },
}

SCSS

$custom: #100233;
$custom-light: #52476b;
$custom-dark: #000000;

JSON

{
  "hex": "#100233",
  "rgb": {
    "r": 16,
    "g": 2,
    "b": 51
  },
  "hsl": {
    "h": 257.143,
    "s": 92.453,
    "l": 10.392
  },
  "oklch": {
    "l": 0.16903,
    "c": 0.09015,
    "h": 287
  },
  "luminance": 0.00393
}

Semantic roles & 50–950 ramp

primary

#100233

secondary

#5C771A

accent

#FF29C2

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020007

muted

#78777A

Preview Lab

Preview with #100233

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

Preview Lab → · Contrast checker → · Palette generator →