#A1531E#A1531E

#A1531E is a mid, vivid orange. Relative luminance 0.139; OKLCH L 52.8% C 0.121 H 50.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#A1531E
RGBrgb(161, 83, 30)
HSLhsl(24, 69%, 37%)
HSVhsv(24, 81%, 63%)
CMYKcmyk(0%, 48.4%, 81.4%, 36.9%)
CIE-LABlab(44.03, 28.52, 43.41)
CIE-LCHlch(44.03, 51.94, 56.69°)
OKLaboklab(52.81% 0.077 0.0938)
OKLCHoklch(52.81% 0.121 50.6)
XYZxyz(18.0273, 13.8595, 2.9539)
Luminance0.1386 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1531E #1E6CA1
analogous
#A11E2A #A1531E #A1951E
triadic
#A1531E #1EA153 #531EA1
tetradic
#A1531E #2AA11E #1E6CA1 #951EA1
square
#A1531E #2AA11E #1E6CA1 #951EA1
split-complementary
#A1531E #1EA195 #1E2AA1
monochromatic
#3A1E0B #6D3814 #A1531E #D56E28 #E09059

Accessibility & contrast

On white

5.57
#A1531E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#A1531E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1531E
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1531E#FFFFFF#000000##FFFFFF
##A1531E1.005.573.775.57
#FFFFFF5.571.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#695D16
Deuteranopia (green-blind)
#7C6F1D
Tritanopia (blue-blind)
#B14248
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #a1531e;
/* rgb */ color: rgb(161, 83, 30);
/* oklch */ color: oklch(52.8% 0.121 50.6);
Tailwind
colors: {
  custom: {
    50: '#c3845e',
    500: '#a1531e',
    950: '#000000',
  },
}
SCSS
$custom: #a1531e;
$custom-light: #c3845e;
$custom-dark: #000000;
JSON
{
  "hex": "#a1531e",
  "rgb": {
    "r": 161,
    "g": 83,
    "b": 30
  },
  "hsl": {
    "h": 24.275,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52812,
    "c": 0.12137,
    "h": 50.6
  },
  "luminance": 0.13857
}

Semantic roles & 50–950 ramp

primary
#A1531E
secondary
#5798C4
accent
#A5EB3C
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140B04
muted
#827C79

Preview Lab

Preview with #A1531E

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

Preview Lab → · Contrast checker → · Palette generator →

#A1531E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva