#A01815#A01815

#A01815 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.171 H 28.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#A01815
RGBrgb(160, 24, 21)
HSLhsl(1, 77%, 35%)
HSVhsv(1, 87%, 63%)
CMYKcmyk(0%, 85%, 86.9%, 37.3%)
CIE-LABlab(34.36, 52.89, 38.87)
CIE-LCHlch(34.36, 65.64, 36.32°)
OKLaboklab(45.46% 0.1504 0.0805)
OKLCHoklch(45.46% 0.171 28.2)
XYZxyz(14.9611, 8.1835, 1.5012)
Luminance0.0818 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A01815 #159DA0
analogous
#A01557 #A01815 #A05D15
triadic
#A01815 #15A018 #1815A0
tetradic
#A01815 #57A015 #159DA0 #5D15A0
square
#A01815 #57A015 #159DA0 #5D15A0
split-complementary
#A01815 #15A05D #1557A0
monochromatic
#340807 #6A100E #A01815 #D6201C #E74C48

Accessibility & contrast

On white

7.97
#A01815 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#A01815 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01815
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A01815#FFFFFF#000000##FFFFFF
##A018151.007.972.647.97
#FFFFFF7.971.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#463E12
Deuteranopia (green-blind)
#675B0B
Tritanopia (blue-blind)
#B1001A
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #a01815;
/* rgb */ color: rgb(160, 24, 21);
/* oklch */ color: oklch(45.5% 0.171 28.2);
Tailwind
colors: {
  custom: {
    50: '#c66554',
    500: '#a01815',
    950: '#000000',
  },
}
SCSS
$custom: #a01815;
$custom-light: #c66554;
$custom-dark: #000000;
JSON
{
  "hex": "#a01815",
  "rgb": {
    "r": 160,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 1.295,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4546,
    "c": 0.17054,
    "h": 28.2
  },
  "luminance": 0.08181
}

Semantic roles & 50–950 ramp

primary
#A01815
secondary
#49C5C8
accent
#EFF334
background
#FDF6F4
surface
#FAEBE8
border
#D3C6C4
text
#150603
muted
#837A78

Preview Lab

Preview with #A01815

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

Preview Lab → · Contrast checker → · Palette generator →

#A01815 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva