#A7301B#A7301B

#A7301B is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.159 H 32.4°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#A7301B
RGBrgb(167, 48, 27)
HSLhsl(9, 72%, 38%)
HSVhsv(9, 84%, 65%)
CMYKcmyk(0%, 71.3%, 83.8%, 34.5%)
CIE-LABlab(38.57, 47.56, 40.11)
CIE-LCHlch(38.57, 62.21, 40.14°)
OKLaboklab(48.86% 0.1341 0.085)
OKLCHoklch(48.86% 0.159 32.4)
XYZxyz(17.1932, 10.4112, 2.1410)
Luminance0.1041 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A7301B #1B92A7
analogous
#A71B4C #A7301B #A7761B
triadic
#A7301B #1BA730 #301BA7
tetradic
#A7301B #4CA71B #1B92A7 #761BA7
square
#A7301B #4CA71B #1B92A7 #761BA7
split-complementary
#A7301B #1BA776 #1B4CA7
monochromatic
#3E120A #722112 #A7301B #DC3F24 #E46D58

Accessibility & contrast

On white

6.81
#A7301B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#A7301B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7301B
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A7301B#FFFFFF#000000##FFFFFF
##A7301B1.006.813.086.81
#FFFFFF6.811.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544A17
Deuteranopia (green-blind)
#716415
Tritanopia (blue-blind)
#B8002C
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a7301b;
/* rgb */ color: rgb(167, 48, 27);
/* oklch */ color: oklch(48.9% 0.159 32.4);
Tailwind
colors: {
  custom: {
    50: '#ca705a',
    500: '#a7301b',
    950: '#000000',
  },
}
SCSS
$custom: #a7301b;
$custom-light: #ca705a;
$custom-dark: #000000;
JSON
{
  "hex": "#a7301b",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 9,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48861,
    "c": 0.15876,
    "h": 32.4
  },
  "luminance": 0.10409
}

Semantic roles & 50–950 ramp

primary
#A7301B
secondary
#56B7C8
accent
#D4EF39
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A7301B

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

Preview Lab → · Contrast checker → · Palette generator →

#A7301B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva