#281C04#281C04

#281C04 is a very dark, muted orange. Relative luminance 0.013; OKLCH L 23.6% C 0.042 H 82.4°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX#281C04
RGBrgb(40, 28, 4)
HSLhsl(40, 82%, 9%)
HSVhsv(40, 90%, 16%)
CMYKcmyk(0%, 30%, 90%, 84.3%)
CIE-LABlab(11.21, 2.67, 15.11)
CIE-LCHlch(11.21, 15.34, 79.98°)
OKLaboklab(23.55% 0.0056 0.042)
OKLCHoklch(23.55% 0.042 82.4)
XYZxyz(1.3123, 1.2905, 0.2948)
Luminance0.0129 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281C04 #041028
analogous
#280A04 #281C04 #222804
triadic
#281C04 #04281C #1C0428
tetradic
#281C04 #04280A #041028 #280422
square
#281C04 #04280A #041028 #280422
split-complementary
#281C04 #042228 #0A0428
monochromatic
#1C1303 #1C1303 #281C04 #60430A #976A0F

Accessibility & contrast

On white

16.69
#281C04 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#281C04 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C04
16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281C04#FFFFFF#000000##FFFFFF
##281C041.0016.691.2616.69
#FFFFFF16.691.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#211C02
Deuteranopia (green-blind)
#241F05
Tritanopia (blue-blind)
#2C1817
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #281c04;
/* rgb */ color: rgb(40, 28, 4);
/* oklch */ color: oklch(23.6% 0.042 82.4);
Tailwind
colors: {
  custom: {
    50: '#635748',
    500: '#281c04',
    950: '#000000',
  },
}
SCSS
$custom: #281c04;
$custom-light: #635748;
$custom-dark: #000000;
JSON
{
  "hex": "#281c04",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 4
  },
  "hsl": {
    "h": 40,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23554,
    "c": 0.04237,
    "h": 82.4
  },
  "luminance": 0.0129
}

Semantic roles & 50–950 ramp

primary
#281C04
secondary
#1D376B
accent
#72F830
background
#F6F5F4
surface
#EBE9E6
border
#C6C5C2
text
#050300
muted
#7A7877

Preview Lab

Preview with #281C04

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

Preview Lab → · Contrast checker → · Palette generator →

#281C04 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva