#A13E1B#A13E1B

#A13E1B is a mid, vivid orange. Relative luminance 0.111; OKLCH L 49.5% C 0.140 H 38.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX#A13E1B
RGBrgb(161, 62, 27)
HSLhsl(16, 71%, 37%)
HSVhsv(16, 83%, 63%)
CMYKcmyk(0%, 61.5%, 83.2%, 36.9%)
CIE-LABlab(39.75, 39.28, 40.80)
CIE-LCHlch(39.75, 56.64, 46.09°)
OKLaboklab(49.55% 0.1091 0.0872)
OKLCHoklch(49.55% 0.14 38.6)
XYZxyz(16.6202, 11.1038, 2.3048)
Luminance0.1110 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13E1B #1B7EA1
analogous
#A11B3B #A13E1B #A1811B
triadic
#A13E1B #1BA13E #3E1BA1
tetradic
#A13E1B #3BA11B #1B7EA1 #811BA1
square
#A13E1B #3BA11B #1B7EA1 #811BA1
split-complementary
#A13E1B #1BA181 #1B3BA1
monochromatic
#381609 #6D2A12 #A13E1B #D55224 #E27954

Accessibility & contrast

On white

6.52
#A13E1B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#A13E1B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13E1B
6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13E1B#FFFFFF#000000##FFFFFF
##A13E1B1.006.523.226.52
#FFFFFF6.521.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5016
Deuteranopia (green-blind)
#736617
Tritanopia (blue-blind)
#B12537
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a13e1b;
/* rgb */ color: rgb(161, 62, 27);
/* oklch */ color: oklch(49.5% 0.140 38.6);
Tailwind
colors: {
  custom: {
    50: '#c5775a',
    500: '#a13e1b',
    950: '#000000',
  },
}
SCSS
$custom: #a13e1b;
$custom-light: #c5775a;
$custom-dark: #000000;
JSON
{
  "hex": "#a13e1b",
  "rgb": {
    "r": 161,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 15.672,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.49549,
    "c": 0.13967,
    "h": 38.6
  },
  "luminance": 0.11101
}

Semantic roles & 50–950 ramp

primary
#A13E1B
secondary
#52A7C5
accent
#BFEE3A
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79

Preview Lab

Preview with #A13E1B

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

Preview Lab → · Contrast checker → · Palette generator →

#A13E1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva