#A1631A#A1631A

#A1631A is a mid, moderate orange. Relative luminance 0.166; OKLCH L 55.6% C 0.115 H 64.5°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#A1631A
RGBrgb(161, 99, 26)
HSLhsl(32, 72%, 37%)
HSVhsv(32, 84%, 63%)
CMYKcmyk(0%, 38.5%, 83.9%, 36.9%)
CIE-LABlab(47.72, 19.46, 48.42)
CIE-LCHlch(47.72, 52.18, 68.11°)
OKLaboklab(55.65% 0.0495 0.1037)
OKLCHoklch(55.65% 0.115 64.5)
XYZxyz(19.3479, 16.5773, 3.1579)
Luminance0.1658 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1631A #1A58A1
analogous
#A11F1A #A1631A #9CA11A
triadic
#A1631A #1AA163 #631AA1
tetradic
#A1631A #1AA11F #1A58A1 #A11A9C
square
#A1631A #1AA11F #1A58A1 #A11A9C
split-complementary
#A1631A #1A9CA1 #1F1AA1
monochromatic
#382209 #6C4311 #A1631A #D68323 #E3A152

Accessibility & contrast

On white

4.87
#A1631A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#A1631A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1631A
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1631A#FFFFFF#000000##FFFFFF
##A1631A1.004.874.314.87
#FFFFFF4.871.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#77690B
Deuteranopia (green-blind)
#85771B
Tritanopia (blue-blind)
#B05455
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #a1631a;
/* rgb */ color: rgb(161, 99, 26);
/* oklch */ color: oklch(55.6% 0.115 64.5);
Tailwind
colors: {
  custom: {
    50: '#c38f5e',
    500: '#a1631a',
    950: '#000000',
  },
}
SCSS
$custom: #a1631a;
$custom-light: #c38f5e;
$custom-dark: #000000;
JSON
{
  "hex": "#a1631a",
  "rgb": {
    "r": 161,
    "g": 99,
    "b": 26
  },
  "hsl": {
    "h": 32.444,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.55649,
    "c": 0.11487,
    "h": 64.5
  },
  "luminance": 0.16575
}

Semantic roles & 50–950 ramp

primary
#A1631A
secondary
#5187C6
accent
#8CEF39
background
#FCF8F5
surface
#F9F0E9
border
#D2CBC5
text
#140C05
muted
#827D79

Preview Lab

Preview with #A1631A

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

Preview Lab → · Contrast checker → · Palette generator →

#A1631A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva