#1C100E#1C100E

#1C100E is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.9% C 0.021 H 29.7°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C100E
RGB	rgb(28, 16, 14)
HSL	hsl(9, 33%, 8%)
HSV	hsv(9, 50%, 11%)
CMYK	cmyk(0%, 42.9%, 50%, 89%)
CIE-LAB	lab(5.86, 5.18, 2.94)
CIE-LCH	lch(5.86, 5.96, 29.56°)
OKLab	oklab(18.88% 0.0182 0.0104)
OKLCH	oklch(18.88% 0.021 29.7)
XYZ	xyz(0.7435, 0.6492, 0.5015)
Luminance	0.0065 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C100E #0E1A1C

analogous

#1C0E13 #1C100E #1C170E

triadic

#1C100E #0E1C10 #100E1C

tetradic

#1C100E #131C0E #0E1A1C #170E1C

square

#1C100E #131C0E #0E1A1C #170E1C

split-complementary

#1C100E #0E1C17 #0E131C

monochromatic

#140C0A #140C0A #1C100E #452722 #6E3F37

Accessibility & contrast

On white

18.59

#1C100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1C100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C100E

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C100E	#FFFFFF	#000000	##FFFFFF
##1C100E	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120E

Deuteranopia (green-blind)

#15140E

Tritanopia (blue-blind)

#1F0E0F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1c100e;
/* rgb */ color: rgb(28, 16, 14);
/* oklch */ color: oklch(18.9% 0.021 29.7);

Tailwind

colors: {
  custom: {
    50: '#574e4d',
    500: '#1c100e',
    950: '#000000',
  },
}

SCSS

$custom: #1c100e;
$custom-light: #574e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c100e",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 8.571,
    "s": 33.333,
    "l": 8.235
  },
  "oklch": {
    "l": 0.18881,
    "c": 0.02091,
    "h": 29.7
  },
  "luminance": 0.00649
}

Semantic roles & 50–950 ramp

primary

#1C100E

secondary

#334E53

accent

#BAC95E

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#030101

muted

#787777

Preview Lab

Preview with #1C100E

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

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