#100A2A#100A2A

#100A2A is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.6% C 0.062 H 286.8°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#100A2A
RGB	rgb(16, 10, 42)
HSL	hsl(251, 62%, 10%)
HSV	hsv(251, 76%, 16%)
CMYK	cmyk(61.9%, 76.2%, 0%, 83.5%)
CIE-LAB	lab(4.47, 11.06, -19.57)
CIE-LCH	lch(4.47, 22.48, 299.48°)
OKLab	oklab(17.62% 0.018 -0.0595)
OKLCH	oklch(17.62% 0.062 286.8)
XYZ	xyz(0.7400, 0.4944, 2.2465)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100A2A #242A0A

analogous

#0A142A #100A2A #200A2A

triadic

#100A2A #2A100A #0A2A10

tetradic

#100A2A #2A0A14 #242A0A #0A2A20

square

#100A2A #2A0A14 #242A0A #0A2A20

split-complementary

#100A2A #2A200A #142A0A

monochromatic

#090619 #090619 #100A2A #23165B #36228D

Accessibility & contrast

On white

19.11

#100A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A2A

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A2A	#FFFFFF	#000000	##FFFFFF
##100A2A	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102B

Deuteranopia (green-blind)

#000F29

Tritanopia (blue-blind)

#071218

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100a2a;
/* rgb */ color: rgb(16, 10, 42);
/* oklch */ color: oklch(17.6% 0.062 286.8);

Tailwind

colors: {
  custom: {
    50: '#4f4b63',
    500: '#100a2a',
    950: '#000000',
  },
}

SCSS

$custom: #100a2a;
$custom-light: #4f4b63;
$custom-dark: #000000;

JSON

{
  "hex": "#100a2a",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 42
  },
  "hsl": {
    "h": 251.25,
    "s": 61.538,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17621,
    "c": 0.06215,
    "h": 286.8
  },
  "luminance": 0.00494
}

Semantic roles & 50–950 ramp

primary

#100A2A

secondary

#5B6729

accent

#E543C6

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020105

muted

#787779

Preview Lab

Preview with #100A2A

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

Preview Lab → · Contrast checker → · Palette generator →