#A1551F#A1551F

#A1551F is a mid, moderate orange. Relative luminance 0.142; OKLCH L 53.2% C 0.120 H 51.8°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#A1551F
RGBrgb(161, 85, 31)
HSLhsl(25, 68%, 38%)
HSVhsv(25, 81%, 63%)
CMYKcmyk(0%, 47.2%, 80.7%, 36.9%)
CIE-LABlab(44.48, 27.46, 43.38)
CIE-LCHlch(44.48, 51.35, 57.66°)
OKLaboklab(53.16% 0.0739 0.0941)
OKLCHoklch(53.16% 0.12 51.8)
XYZxyz(18.1955, 14.1751, 3.0739)
Luminance0.1417 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A1551F #1F6BA1
analogous
#A11F2A #A1551F #A1961F
triadic
#A1551F #1FA155 #551FA1
tetradic
#A1551F #2AA11F #1F6BA1 #961FA1
square
#A1551F #2AA11F #1F6BA1 #961FA1
split-complementary
#A1551F #1FA196 #1F2AA1
monochromatic
#3A1F0B #6E3A15 #A1551F #D47029 #DF925B

Accessibility & contrast

On white

5.48
#A1551F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.83
#A1551F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1551F
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A1551F#FFFFFF#000000##FFFFFF
##A1551F1.005.483.835.48
#FFFFFF5.481.0021.001.00
#0000003.8321.001.0021.00
##FFFFFF5.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B5F17
Deuteranopia (green-blind)
#7D701E
Tritanopia (blue-blind)
#B1444A
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #a1551f;
/* rgb */ color: rgb(161, 85, 31);
/* oklch */ color: oklch(53.2% 0.120 51.8);
Tailwind
colors: {
  custom: {
    50: '#c3865f',
    500: '#a1551f',
    950: '#000000',
  },
}
SCSS
$custom: #a1551f;
$custom-light: #c3865f;
$custom-dark: #000000;
JSON
{
  "hex": "#a1551f",
  "rgb": {
    "r": 161,
    "g": 85,
    "b": 31
  },
  "hsl": {
    "h": 24.923,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53161,
    "c": 0.11965,
    "h": 51.8
  },
  "luminance": 0.14173
}

Semantic roles & 50–950 ramp

primary
#A1551F
secondary
#5897C4
accent
#A3EB3D
background
#FCF8F5
surface
#F9EFE9
border
#D2CAC5
text
#140B05
muted
#827C79

Preview Lab

Preview with #A1551F

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

Preview Lab → · Contrast checker → · Palette generator →

#A1551F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva