#A5551F#A5551F

#A5551F is a mid, vivid orange. Relative luminance 0.146; OKLCH L 53.7% C 0.124 H 50.5°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#A5551F
RGBrgb(165, 85, 31)
HSLhsl(24, 68%, 38%)
HSVhsv(24, 81%, 65%)
CMYKcmyk(0%, 48.5%, 81.2%, 35.3%)
CIE-LABlab(45.08, 29.16, 44.16)
CIE-LCHlch(45.08, 52.92, 56.56°)
OKLaboklab(53.74% 0.0787 0.0955)
OKLCHoklch(53.74% 0.124 50.5)
XYZxyz(19.0147, 14.5975, 3.1123)
Luminance0.1459 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A5551F #1F6FA5
analogous
#A51F2C #A5551F #A5981F
triadic
#A5551F #1FA555 #551FA5
tetradic
#A5551F #2CA51F #1F6FA5 #981FA5
square
#A5551F #2CA51F #1F6FA5 #981FA5
split-complementary
#A5551F #1FA598 #1F2CA5
monochromatic
#3E200C #713A15 #A5551F #D7702A #E1925E

Accessibility & contrast

On white

5.36
#A5551F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.92
#A5551F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5551F
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A5551F#FFFFFF#000000##FFFFFF
##A5551F1.005.363.925.36
#FFFFFF5.361.0021.001.00
#0000003.9221.001.0021.00
##FFFFFF5.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C6017
Deuteranopia (green-blind)
#7F721E
Tritanopia (blue-blind)
#B5444A
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #a5551f;
/* rgb */ color: rgb(165, 85, 31);
/* oklch */ color: oklch(53.7% 0.124 50.5);
Tailwind
colors: {
  custom: {
    50: '#c6865f',
    500: '#a5551f',
    950: '#000000',
  },
}
SCSS
$custom: #a5551f;
$custom-light: #c6865f;
$custom-dark: #000000;
JSON
{
  "hex": "#a5551f",
  "rgb": {
    "r": 165,
    "g": 85,
    "b": 31
  },
  "hsl": {
    "h": 24.179,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.53738,
    "c": 0.12373,
    "h": 50.5
  },
  "luminance": 0.14595
}

Semantic roles & 50–950 ramp

primary
#A5551F
secondary
#5B9AC5
accent
#A5EB3D
background
#FDF8F5
surface
#FAEFE9
border
#D3CAC5
text
#140B05
muted
#837C79

Preview Lab

Preview with #A5551F

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

Preview Lab → · Contrast checker → · Palette generator →

#A5551F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva