#100C0C#100C0C

#100C0C is a very dark, near-neutral red. Relative luminance 0.004; OKLCH L 16.0% C 0.007 H 17.9°. Best body text is #FFFFFF at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#100C0C
RGB	rgb(16, 12, 12)
HSL	hsl(0, 14%, 5%)
HSV	hsv(0, 25%, 6%)
CMYK	cmyk(0%, 25%, 25%, 93.7%)
CIE-LAB	lab(3.61, 1.29, 0.46)
CIE-LCH	lch(3.61, 1.37, 19.48°)
OKLab	oklab(15.95% 0.0066 0.0021)
OKLCH	oklch(15.95% 0.007 17.9)
XYZ	xyz(0.4115, 0.3997, 0.4032)
Luminance	0.0040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100C0C #0C1010

analogous

#100C0E #100C0C #100E0C

triadic

#100C0C #0C100C #0C0C10

tetradic

#100C0C #0E100C #0C1010 #0E0C10

square

#100C0C #0E100C #0C1010 #0E0C10

split-complementary

#100C0C #0C100E #0C0E10

monochromatic

#110D0D #110D0D #110D0D #332626 #564040

Accessibility & contrast

On white

19.44

#100C0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100C0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100C0C

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100C0C	#FFFFFF	#000000	##FFFFFF
##100C0C	1.00	19.44	1.08	19.44
#FFFFFF	19.44	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0D0C

Deuteranopia (green-blind)

#0E0D0C

Tritanopia (blue-blind)

#110C0C

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100c0c;
/* rgb */ color: rgb(16, 12, 12);
/* oklch */ color: oklch(16.0% 0.007 17.9);

Tailwind

colors: {
  custom: {
    50: '#4e4c4c',
    500: '#100c0c',
    950: '#000000',
  },
}

SCSS

$custom: #100c0c;
$custom-light: #4e4c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#100c0c",
  "rgb": {
    "r": 16,
    "g": 12,
    "b": 12
  },
  "hsl": {
    "h": 0,
    "s": 14.286,
    "l": 5.49
  },
  "oklch": {
    "l": 0.15951,
    "c": 0.00691,
    "h": 17.9
  },
  "luminance": 0.004
}

Semantic roles & 50–950 ramp

primary

#100C0C

secondary

#364242

accent

#B7B771

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010101

muted

#777777

Preview Lab

Preview with #100C0C

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

Preview Lab → · Contrast checker → · Palette generator →