#A03628#A03628

#A03628 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.143 H 30.5°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#A03628
RGBrgb(160, 54, 40)
HSLhsl(7, 60%, 39%)
HSVhsv(7, 75%, 63%)
CMYKcmyk(0%, 66.3%, 75%, 37.3%)
CIE-LABlab(38.32, 43.10, 32.35)
CIE-LCHlch(38.32, 53.89, 36.89°)
OKLaboklab(48.47% 0.1235 0.0727)
OKLCHoklch(48.47% 0.143 30.5)
XYZxyz(16.2011, 10.2675, 3.1358)
Luminance0.1027 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03628 #2892A0
analogous
#A02856 #A03628 #A07228
triadic
#A03628 #28A036 #3628A0
tetradic
#A03628 #56A028 #2892A0 #7228A0
square
#A03628 #56A028 #2892A0 #7228A0
split-complementary
#A03628 #28A072 #2856A0
monochromatic
#3E1510 #6F251C #A03628 #CD4938 #D97669

Accessibility & contrast

On white

6.88
#A03628 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#A03628 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03628
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03628#FFFFFF#000000##FFFFFF
##A036281.006.883.056.88
#FFFFFF6.881.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544C26
Deuteranopia (green-blind)
#6E6324
Tritanopia (blue-blind)
#B01933
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a03628;
/* rgb */ color: rgb(160, 54, 40);
/* oklch */ color: oklch(48.5% 0.143 30.5);
Tailwind
colors: {
  custom: {
    50: '#c47363',
    500: '#a03628',
    950: '#000000',
  },
}
SCSS
$custom: #a03628;
$custom-light: #c47363;
$custom-dark: #000000;
JSON
{
  "hex": "#a03628",
  "rgb": {
    "r": 160,
    "g": 54,
    "b": 40
  },
  "hsl": {
    "h": 7,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48473,
    "c": 0.14328,
    "h": 30.5
  },
  "luminance": 0.10265
}

Semantic roles & 50–950 ramp

primary
#A03628
secondary
#64B5C0
accent
#D1E345
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140805
muted
#837B79

Preview Lab

Preview with #A03628

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

Preview Lab → · Contrast checker → · Palette generator →

#A03628 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva