#A13B18#A13B18

#A13B18 is a mid, vivid orange. Relative luminance 0.108; OKLCH L 49.1% C 0.143 H 38.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#A13B18
RGBrgb(161, 59, 24)
HSLhsl(15, 74%, 36%)
HSVhsv(15, 85%, 63%)
CMYKcmyk(0%, 63.4%, 85.1%, 36.9%)
CIE-LABlab(39.20, 40.61, 41.71)
CIE-LCHlch(39.20, 58.22, 45.77°)
OKLaboklab(49.12% 0.1127 0.0881)
OKLCHoklch(49.12% 0.143 38)
XYZxyz(16.4286, 10.7733, 2.0784)
Luminance0.1077 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13B18 #187EA1
analogous
#A1183A #A13B18 #A18018
triadic
#A13B18 #18A13B #3B18A1
tetradic
#A13B18 #3AA118 #187EA1 #8018A1
square
#A13B18 #3AA118 #187EA1 #8018A1
split-complementary
#A13B18 #18A180 #183AA1
monochromatic
#361408 #6C2710 #A13B18 #D64F20 #E5754F

Accessibility & contrast

On white

6.66
#A13B18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#A13B18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B18
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13B18#FFFFFF#000000##FFFFFF
##A13B181.006.663.156.66
#FFFFFF6.661.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584E12
Deuteranopia (green-blind)
#716513
Tritanopia (blue-blind)
#B22034
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a13b18;
/* rgb */ color: rgb(161, 59, 24);
/* oklch */ color: oklch(49.1% 0.143 38.0);
Tailwind
colors: {
  custom: {
    50: '#c57558',
    500: '#a13b18',
    950: '#000000',
  },
}
SCSS
$custom: #a13b18;
$custom-light: #c57558;
$custom-dark: #000000;
JSON
{
  "hex": "#a13b18",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 15.328,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.49119,
    "c": 0.14307,
    "h": 38
  },
  "luminance": 0.10771
}

Semantic roles & 50–950 ramp

primary
#A13B18
secondary
#4EA8C7
accent
#C1F137
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140903
muted
#837B78

Preview Lab

Preview with #A13B18

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

Preview Lab → · Contrast checker → · Palette generator →

#A13B18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva