#1C100A#1C100A

#1C100A is a very dark, muted orange. Relative luminance 0.006; OKLCH L 18.8% C 0.024 H 47.4°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX#1C100A
RGBrgb(28, 16, 10)
HSLhsl(20, 47%, 7%)
HSVhsv(20, 64%, 11%)
CMYKcmyk(0%, 42.9%, 64.3%, 89%)
CIE-LABlab(5.78, 4.56, 4.63)
CIE-LCHlch(5.78, 6.50, 45.43°)
OKLaboklab(18.76% 0.0159 0.0173)
OKLCHoklch(18.76% 0.024 47.4)
XYZxyz(0.7190, 0.6394, 0.3727)
Luminance0.0064 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C100A #0A161C
analogous
#1C0A0D #1C100A #1C190A
triadic
#1C100A #0A1C10 #100A1C
tetradic
#1C100A #0D1C0A #0A161C #190A1C
square
#1C100A #0D1C0A #0A161C #190A1C
split-complementary
#1C100A #0A1C19 #0A0D1C
monochromatic
#170D08 #170D08 #1C100A #492A1A #76442A

Accessibility & contrast

On white

18.62
#1C100A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.13
#1C100A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C100A
18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C100A#FFFFFF#000000##FFFFFF
##1C100A1.0018.621.1318.62
#FFFFFF18.621.0021.001.00
#0000001.1321.001.0021.00
##FFFFFF18.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#13110A
Deuteranopia (green-blind)
#16140A
Tritanopia (blue-blind)
#1F0E0E
Achromatopsia (no color)
#131313

Design tokens & code

CSS
--color: #1c100a;
/* rgb */ color: rgb(28, 16, 10);
/* oklch */ color: oklch(18.8% 0.024 47.4);
Tailwind
colors: {
  custom: {
    50: '#574e4b',
    500: '#1c100a',
    950: '#000000',
  },
}
SCSS
$custom: #1c100a;
$custom-light: #574e4b;
$custom-dark: #000000;
JSON
{
  "hex": "#1c100a",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 20,
    "s": 47.368,
    "l": 7.451
  },
  "oklch": {
    "l": 0.18761,
    "c": 0.02352,
    "h": 47.4
  },
  "luminance": 0.00639
}

Semantic roles & 50–950 ramp

primary
#1C100A
secondary
#2B4856
accent
#AAD751
background
#F5F4F4
surface
#E9E7E7
border
#C5C3C3
text
#030101
muted
#787777

Preview Lab

Preview with #1C100A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C100A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva