#100339#100339

#100339 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.9% C 0.096 H 283.4°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#100339
RGB	rgb(16, 3, 57)
HSL	hsl(254, 90%, 12%)
HSV	hsv(254, 95%, 22%)
CMYK	cmyk(71.9%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(4.25, 21.70, -31.06)
CIE-LCH	lch(4.25, 37.89, 304.94°)
OKLab	oklab(17.92% 0.0223 -0.0936)
OKLCH	oklch(17.92% 0.096 283.4)
XYZ	xyz(0.9845, 0.4706, 3.9091)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100339 #2C3903

analogous

#031139 #100339 #2B0339

triadic

#100339 #391003 #033910

tetradic

#100339 #390311 #2C3903 #03392B

square

#100339 #390311 #2C3903 #03392B

split-complementary

#100339 #392B03 #113903

monochromatic

#08021D #08021D #100339 #200673 #3109AD

Accessibility & contrast

On white

19.19

#100339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100339

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100339	#FFFFFF	#000000	##FFFFFF
##100339	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00103A

Deuteranopia (green-blind)

#000D38

Tritanopia (blue-blind)

#00131E

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100339;
/* rgb */ color: rgb(16, 3, 57);
/* oklch */ color: oklch(17.9% 0.096 283.4);

Tailwind

colors: {
  custom: {
    50: '#544770',
    500: '#100339',
    950: '#000000',
  },
}

SCSS

$custom: #100339;
$custom-light: #544770;
$custom-dark: #000000;

JSON

{
  "hex": "#100339",
  "rgb": {
    "r": 16,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 254.444,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.17921,
    "c": 0.09622,
    "h": 283.4
  },
  "luminance": 0.00471
}

Semantic roles & 50–950 ramp

primary

#100339

secondary

#657C1C

accent

#FF29CB

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030007

muted

#78777A

Preview Lab

Preview with #100339

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

Preview Lab → · Contrast checker → · Palette generator →