#100A2B#100A2B

#100A2B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.7% C 0.064 H 286.3°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#100A2B
RGB	rgb(16, 10, 43)
HSL	hsl(251, 62%, 10%)
HSV	hsv(251, 77%, 17%)
CMYK	cmyk(62.8%, 76.7%, 0%, 83.1%)
CIE-LAB	lab(4.53, 11.53, -20.22)
CIE-LCH	lch(4.53, 23.28, 299.68°)
OKLab	oklab(17.72% 0.0179 -0.0613)
OKLCH	oklch(17.72% 0.064 286.3)
XYZ	xyz(0.7581, 0.5016, 2.3419)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100A2B #252B0A

analogous

#0A142B #100A2B #200A2B

triadic

#100A2B #2B100A #0A2B10

tetradic

#100A2B #2B0A14 #252B0A #0A2B20

square

#100A2B #2B0A14 #252B0A #0A2B20

split-complementary

#100A2B #2B200A #142B0A

monochromatic

#090619 #090619 #100A2B #22165D #35218E

Accessibility & contrast

On white

19.08

#100A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A2B

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A2B	#FFFFFF	#000000	##FFFFFF
##100A2B	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#061219

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #100a2b;
/* rgb */ color: rgb(16, 10, 43);
/* oklch */ color: oklch(17.7% 0.064 286.3);

Tailwind

colors: {
  custom: {
    50: '#504b64',
    500: '#100a2b',
    950: '#000000',
  },
}

SCSS

$custom: #100a2b;
$custom-light: #504b64;
$custom-dark: #000000;

JSON

{
  "hex": "#100a2b",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 43
  },
  "hsl": {
    "h": 250.909,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.17721,
    "c": 0.06382,
    "h": 286.3
  },
  "luminance": 0.00502
}

Semantic roles & 50–950 ramp

primary

#100A2B

secondary

#5C6829

accent

#E542C8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #100A2B

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

Preview Lab → · Contrast checker → · Palette generator →