#100A28#100A28

#100A28 is a very dark, muted violet. Relative luminance 0.005; OKLCH L 17.4% C 0.059 H 287.9°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#100A28
RGB	rgb(16, 10, 40)
HSL	hsl(252, 60%, 10%)
HSV	hsv(252, 75%, 16%)
CMYK	cmyk(60%, 75%, 0%, 84.3%)
CIE-LAB	lab(4.34, 10.18, -18.25)
CIE-LCH	lch(4.34, 20.89, 299.16°)
OKLab	oklab(17.42% 0.0181 -0.0559)
OKLCH	oklch(17.42% 0.059 287.9)
XYZ	xyz(0.7051, 0.4804, 2.0626)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100A28 #22280A

analogous

#0A1328 #100A28 #1F0A28

triadic

#100A28 #28100A #0A2810

tetradic

#100A28 #280A13 #22280A #0A281F

square

#100A28 #280A13 #22280A #0A281F

split-complementary

#100A28 #281F0A #13280A

monochromatic

#0A0618 #0A0618 #100A28 #241659 #37228A

Accessibility & contrast

On white

19.16

#100A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100A28

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100A28	#FFFFFF	#000000	##FFFFFF
##100A28	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001029

Deuteranopia (green-blind)

#000E27

Tritanopia (blue-blind)

#081117

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100a28;
/* rgb */ color: rgb(16, 10, 40);
/* oklch */ color: oklch(17.4% 0.059 287.9);

Tailwind

colors: {
  custom: {
    50: '#4f4b62',
    500: '#100a28',
    950: '#000000',
  },
}

SCSS

$custom: #100a28;
$custom-light: #4f4b62;
$custom-dark: #000000;

JSON

{
  "hex": "#100a28",
  "rgb": {
    "r": 16,
    "g": 10,
    "b": 40
  },
  "hsl": {
    "h": 252,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17424,
    "c": 0.05878,
    "h": 287.9
  },
  "luminance": 0.0048
}

Semantic roles & 50–950 ramp

primary

#100A28

secondary

#596529

accent

#E345C3

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020105

muted

#787779

Preview Lab

Preview with #100A28

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

Preview Lab → · Contrast checker → · Palette generator →