#281603#281603

#281603 is a very dark, muted orange. Relative luminance 0.010; OKLCH L 22.0% C 0.043 H 66.0°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX#281603
RGBrgb(40, 22, 3)
HSLhsl(31, 86%, 8%)
HSVhsv(31, 93%, 16%)
CMYKcmyk(0%, 45%, 92.5%, 84.3%)
CIE-LABlab(9.25, 6.88, 12.76)
CIE-LCHlch(9.25, 14.50, 61.66°)
OKLaboklab(22.02% 0.0176 0.0395)
OKLCHoklch(22.02% 0.043 66)
XYZxyz(1.1785, 1.0316, 0.2232)
Luminance0.0103 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281603 #031528
analogous
#280303 #281603 #272803
triadic
#281603 #032816 #160328
tetradic
#281603 #032803 #031528 #280327
square
#281603 #032803 #031528 #280327
split-complementary
#281603 #032728 #030328
monochromatic
#1C1002 #1C1002 #281603 #613507 #9A550C

Accessibility & contrast

On white

17.41
#281603 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#281603 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281603
17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281603#FFFFFF#000000##FFFFFF
##2816031.0017.411.2117.41
#FFFFFF17.411.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C1702
Deuteranopia (green-blind)
#201C03
Tritanopia (blue-blind)
#2D1212
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #281603;
/* rgb */ color: rgb(40, 22, 3);
/* oklch */ color: oklch(22.0% 0.043 66.0);
Tailwind
colors: {
  custom: {
    50: '#635348',
    500: '#281603',
    950: '#000000',
  },
}
SCSS
$custom: #281603;
$custom-light: #635348;
$custom-dark: #000000;
JSON
{
  "hex": "#281603",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 3
  },
  "hsl": {
    "h": 30.811,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.22022,
    "c": 0.04326,
    "h": 66
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary
#281603
secondary
#1B426C
accent
#91FC2C
background
#F6F4F4
surface
#EBE7E6
border
#C6C3C2
text
#050200
muted
#7A7877

Preview Lab

Preview with #281603

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

Preview Lab → · Contrast checker → · Palette generator →

#281603 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva