#1C100B#1C100B

#1C100B is a very dark, muted orange. Relative luminance 0.006; OKLCH L 18.8% C 0.023 H 43.5°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C100B
RGB	rgb(28, 16, 11)
HSL	hsl(18, 44%, 8%)
HSV	hsv(18, 61%, 11%)
CMYK	cmyk(0%, 42.9%, 60.7%, 89%)
CIE-LAB	lab(5.80, 4.70, 4.24)
CIE-LCH	lch(5.80, 6.33, 42.07°)
OKLab	oklab(18.79% 0.0165 0.0156)
OKLCH	oklch(18.79% 0.023 43.5)
XYZ	xyz(0.7246, 0.6417, 0.4022)
Luminance	0.0064 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C100B #0B171C

analogous

#1C0B0E #1C100B #1C180B

triadic

#1C100B #0B1C10 #100B1C

tetradic

#1C100B #0E1C0B #0B171C #180B1C

square

#1C100B #0E1C0B #0B171C #180B1C

split-complementary

#1C100B #0B1C18 #0B0E1C

monochromatic

#160D09 #160D09 #1C100B #48291C #74422E

Accessibility & contrast

On white

18.61

#1C100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1C100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C100B

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C100B	#FFFFFF	#000000	##FFFFFF
##1C100B	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110B

Deuteranopia (green-blind)

#16140B

Tritanopia (blue-blind)

#1F0E0F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1c100b;
/* rgb */ color: rgb(28, 16, 11);
/* oklch */ color: oklch(18.8% 0.023 43.5);

Tailwind

colors: {
  custom: {
    50: '#574e4c',
    500: '#1c100b',
    950: '#000000',
  },
}

SCSS

$custom: #1c100b;
$custom-light: #574e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c100b",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 17.647,
    "s": 43.59,
    "l": 7.647
  },
  "oklch": {
    "l": 0.18789,
    "c": 0.02271,
    "h": 43.5
  },
  "luminance": 0.00642
}

Semantic roles & 50–950 ramp

primary

#1C100B

secondary

#2D4A55

accent

#AED354

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#030101

muted

#787777

Preview Lab

Preview with #1C100B

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

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