#100B28#100B28

#100B28 is a very dark, muted violet. Relative luminance 0.005; OKLCH L 17.6% C 0.057 H 286.9°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#100B28
RGB	rgb(16, 11, 40)
HSL	hsl(250, 57%, 10%)
HSV	hsv(250, 73%, 16%)
CMYK	cmyk(60%, 72.5%, 0%, 84.3%)
CIE-LAB	lab(4.54, 9.77, -17.93)
CIE-LCH	lch(4.54, 20.42, 298.57°)
OKLab	oklab(17.64% 0.0166 -0.0545)
OKLCH	oklch(17.64% 0.057 286.9)
XYZ	xyz(0.7162, 0.5027, 2.0664)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B28 #23280B

analogous

#0B1428 #100B28 #1F0B28

triadic

#100B28 #28100B #0B2810

tetradic

#100B28 #280B14 #23280B #0B281F

square

#100B28 #280B14 #23280B #0B281F

split-complementary

#100B28 #281F0B #14280B

monochromatic

#0A0718 #0A0718 #100B28 #231858 #362588

Accessibility & contrast

On white

19.08

#100B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#100B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B28

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B28	#FFFFFF	#000000	##FFFFFF
##100B28	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)

#001029

Deuteranopia (green-blind)

#000F27

Tritanopia (blue-blind)

#081217

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #100b28;
/* rgb */ color: rgb(16, 11, 40);
/* oklch */ color: oklch(17.6% 0.057 286.9);

Tailwind

colors: {
  custom: {
    50: '#4f4b62',
    500: '#100b28',
    950: '#000000',
  },
}

SCSS

$custom: #100b28;
$custom-light: #4f4b62;
$custom-dark: #000000;

JSON

{
  "hex": "#100b28",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 40
  },
  "hsl": {
    "h": 250.345,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.17643,
    "c": 0.05698,
    "h": 286.9
  },
  "luminance": 0.00503
}

Semantic roles & 50–950 ramp

primary

#100B28

secondary

#5A642B

accent

#E048C6

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020105

muted

#787779

Preview Lab

Preview with #100B28

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

Preview Lab → · Contrast checker → · Palette generator →