#180B00#180B00

#180B00 is a very dark, muted orange. Relative luminance 0.004; OKLCH L 16.5% C 0.036 H 69.6°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX#180B00
RGBrgb(24, 11, 0)
HSLhsl(28, 100%, 5%)
HSVhsv(28, 100%, 9%)
CMYKcmyk(0%, 54.2%, 100%, 90.6%)
CIE-LABlab(3.92, 3.45, 5.93)
CIE-LCHlch(3.92, 6.86, 59.79°)
OKLaboklab(16.5% 0.0125 0.0336)
OKLCHoklch(16.5% 0.036 69.6)
XYZxyz(0.4964, 0.4336, 0.0575)
Luminance0.0043 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#180B00 #000D18
analogous
#180001 #180B00 #181700
triadic
#180B00 #00180B #0B0018
tetradic
#180B00 #011800 #000D18 #170018
square
#180B00 #011800 #000D18 #170018
split-complementary
#180B00 #001817 #000118
monochromatic
#1F0E00 #1F0E00 #1F0E00 #552700 #924300

Accessibility & contrast

On white

19.32
#180B00 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.09
#180B00 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180B00
19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##180B00#FFFFFF#000000##FFFFFF
##180B001.0019.321.0919.32
#FFFFFF19.321.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0F0C00
Deuteranopia (green-blind)
#120F00
Tritanopia (blue-blind)
#1B0808
Achromatopsia (no color)
#0E0E0E

Design tokens & code

CSS
--color: #180b00;
/* rgb */ color: rgb(24, 11, 0);
/* oklch */ color: oklch(16.5% 0.036 69.6);
Tailwind
colors: {
  custom: {
    50: '#544c47',
    500: '#180b00',
    950: '#000000',
  },
}
SCSS
$custom: #180b00;
$custom-light: #544c47;
$custom-dark: #000000;
JSON
{
  "hex": "#180b00",
  "rgb": {
    "r": 24,
    "g": 11,
    "b": 0
  },
  "hsl": {
    "h": 27.5,
    "s": 100,
    "l": 4.706
  },
  "oklch": {
    "l": 0.16497,
    "c": 0.03582,
    "h": 69.6
  },
  "luminance": 0.00434
}

Semantic roles & 50–950 ramp

primary
#180B00
secondary
#113D62
accent
#9DFF29
background
#F4F4F3
surface
#E7E7E5
border
#C3C3C1
text
#020100
muted
#787777

Preview Lab

Preview with #180B00

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

Preview Lab → · Contrast checker → · Palette generator →

#180B00 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva