#3B1803#3B1803

#3B1803 is a dark, moderate orange. Relative luminance 0.016; OKLCH L 25.7% C 0.064 H 48.9°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX#3B1803
RGBrgb(59, 24, 3)
HSLhsl(23, 90%, 12%)
HSVhsv(23, 95%, 23%)
CMYKcmyk(0%, 59.3%, 94.9%, 76.9%)
CIE-LABlab(13.17, 15.61, 18.70)
CIE-LCHlch(13.17, 24.36, 50.14°)
OKLaboklab(25.73% 0.0419 0.0481)
OKLCHoklch(25.73% 0.064 48.9)
XYZxyz(2.1469, 1.5899, 0.2800)
Luminance0.0159 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B1803 #03263B
analogous
#3B030A #3B1803 #3B3403
triadic
#3B1803 #033B18 #18033B
tetradic
#3B1803 #0A3B03 #03263B #34033B
square
#3B1803 #0A3B03 #03263B #34033B
split-complementary
#3B1803 #033B34 #030A3B
monochromatic
#1D0C01 #1D0C01 #3B1803 #753006 #AF4709

Accessibility & contrast

On white

15.93
#3B1803 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.32
#3B1803 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1803
15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B1803#FFFFFF#000000##FFFFFF
##3B18031.0015.931.3215.93
#FFFFFF15.931.0021.001.00
#0000001.3221.001.0021.00
##FFFFFF15.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#221D01
Deuteranopia (green-blind)
#2B2502
Tritanopia (blue-blind)
#421014
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #3b1803;
/* rgb */ color: rgb(59, 24, 3);
/* oklch */ color: oklch(25.7% 0.064 48.9);
Tailwind
colors: {
  custom: {
    50: '#755548',
    500: '#3b1803',
    950: '#000000',
  },
}
SCSS
$custom: #3b1803;
$custom-light: #755548;
$custom-dark: #000000;
JSON
{
  "hex": "#3b1803",
  "rgb": {
    "r": 59,
    "g": 24,
    "b": 3
  },
  "hsl": {
    "h": 22.5,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.25728,
    "c": 0.06383,
    "h": 48.9
  },
  "luminance": 0.0159
}

Semantic roles & 50–950 ramp

primary
#3B1803
secondary
#1C597E
accent
#AFFF29
background
#F7F5F4
surface
#EDE9E6
border
#C8C5C2
text
#090300
muted
#7B7877

Preview Lab

Preview with #3B1803

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

Preview Lab → · Contrast checker → · Palette generator →

#3B1803 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva