#A02818#A02818

#A02818 is a mid, vivid red. Relative luminance 0.091; OKLCH L 46.8% C 0.159 H 31.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX#A02818
RGBrgb(160, 40, 24)
HSLhsl(7, 74%, 36%)
HSVhsv(7, 85%, 63%)
CMYKcmyk(0%, 75%, 85%, 37.3%)
CIE-LABlab(36.10, 48.15, 38.87)
CIE-LCHlch(36.10, 61.88, 38.91°)
OKLaboklab(46.76% 0.1361 0.0818)
OKLCHoklch(46.76% 0.159 31)
XYZxyz(15.4227, 9.0596, 1.8006)
Luminance0.0906 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A02818 #1890A0
analogous
#A0184C #A02818 #A06C18
triadic
#A02818 #18A028 #2818A0
tetradic
#A02818 #4CA018 #1890A0 #6C18A0
square
#A02818 #4CA018 #1890A0 #6C18A0
split-complementary
#A02818 #18A06C #184CA0
monochromatic
#360D08 #6B1B10 #A02818 #D53520 #E4604E

Accessibility & contrast

On white

7.47
#A02818 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#A02818 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A02818
7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A02818#FFFFFF#000000##FFFFFF
##A028181.007.472.817.47
#FFFFFF7.471.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4414
Deuteranopia (green-blind)
#6A5E11
Tritanopia (blue-blind)
#B10026
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #a02818;
/* rgb */ color: rgb(160, 40, 24);
/* oklch */ color: oklch(46.8% 0.159 31.0);
Tailwind
colors: {
  custom: {
    50: '#c56b57',
    500: '#a02818',
    950: '#000000',
  },
}
SCSS
$custom: #a02818;
$custom-light: #c56b57;
$custom-dark: #000000;
JSON
{
  "hex": "#a02818",
  "rgb": {
    "r": 160,
    "g": 40,
    "b": 24
  },
  "hsl": {
    "h": 7.059,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46759,
    "c": 0.15881,
    "h": 31
  },
  "luminance": 0.09057
}

Semantic roles & 50–950 ramp

primary
#A02818
secondary
#4DB8C6
accent
#DBF137
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150703
muted
#837A78

Preview Lab

Preview with #A02818

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

Preview Lab → · Contrast checker → · Palette generator →

#A02818 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva