#100B23#100B23

#100B23 is a very dark, muted violet. Relative luminance 0.005; OKLCH L 17.2% C 0.048 H 290.0°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#100B23
RGB	rgb(16, 11, 35)
HSL	hsl(253, 52%, 9%)
HSV	hsv(253, 69%, 14%)
CMYK	cmyk(54.3%, 68.6%, 0%, 86.3%)
CIE-LAB	lab(4.25, 7.75, -14.54)
CIE-LCH	lch(4.25, 16.48, 298.04°)
OKLab	oklab(17.19% 0.0165 -0.0453)
OKLCH	oklch(17.19% 0.048 290)
XYZ	xyz(0.6366, 0.4708, 1.6471)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B23 #1E230B

analogous

#0B1223 #100B23 #1C0B23

triadic

#100B23 #23100B #0B2310

tetradic

#100B23 #230B12 #1E230B #0B231C

square

#100B23 #230B12 #1E230B #0B231C

split-complementary

#100B23 #231C0B #12230B

monochromatic

#0B0717 #0B0717 #100B23 #251A52 #3B2880

Accessibility & contrast

On white

19.19

#100B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B23

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B23	#FFFFFF	#000000	##FFFFFF
##100B23	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)

#030F24

Deuteranopia (green-blind)

#030E22

Tritanopia (blue-blind)

#0B1015

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #100b23;
/* rgb */ color: rgb(16, 11, 35);
/* oklch */ color: oklch(17.2% 0.048 290.0);

Tailwind

colors: {
  custom: {
    50: '#4e4b5e',
    500: '#100b23',
    950: '#000000',
  },
}

SCSS

$custom: #100b23;
$custom-light: #4e4b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#100b23",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 35
  },
  "hsl": {
    "h": 252.5,
    "s": 52.174,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17188,
    "c": 0.04817,
    "h": 290
  },
  "luminance": 0.00471
}

Semantic roles & 50–950 ramp

primary

#100B23

secondary

#545E2C

accent

#DC4CBE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020104

muted

#787779

Preview Lab

Preview with #100B23

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

Preview Lab → · Contrast checker → · Palette generator →