#A43525#A43525

#A43525 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.149 H 31.1°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#A43525
RGBrgb(164, 53, 37)
HSLhsl(8, 63%, 39%)
HSVhsv(8, 77%, 64%)
CMYKcmyk(0%, 67.7%, 77.4%, 35.7%)
CIE-LABlab(38.85, 44.82, 34.85)
CIE-LCHlch(38.85, 56.77, 37.87°)
OKLaboklab(49% 0.1278 0.0771)
OKLCHoklch(49% 0.149 31.1)
XYZxyz(16.9188, 10.5748, 2.9002)
Luminance0.1057 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A43525 #2594A4
analogous
#A42555 #A43525 #A47525
triadic
#A43525 #25A435 #3525A4
tetradic
#A43525 #55A425 #2594A4 #7525A4
square
#A43525 #55A425 #2594A4 #7525A4
split-complementary
#A43525 #25A475 #2555A4
monochromatic
#40150E #72251A #A43525 #D14935 #DD7667

Accessibility & contrast

On white

6.74
#A43525 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#A43525 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43525
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A43525#FFFFFF#000000##FFFFFF
##A435251.006.743.116.74
#FFFFFF6.741.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554C22
Deuteranopia (green-blind)
#706521
Tritanopia (blue-blind)
#B51432
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a43525;
/* rgb */ color: rgb(164, 53, 37);
/* oklch */ color: oklch(49.0% 0.149 31.1);
Tailwind
colors: {
  custom: {
    50: '#c77260',
    500: '#a43525',
    950: '#000000',
  },
}
SCSS
$custom: #a43525;
$custom-light: #c77260;
$custom-dark: #000000;
JSON
{
  "hex": "#a43525",
  "rgb": {
    "r": 164,
    "g": 53,
    "b": 37
  },
  "hsl": {
    "h": 7.559,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49001,
    "c": 0.14923,
    "h": 31.1
  },
  "luminance": 0.10572
}

Semantic roles & 50–950 ramp

primary
#A43525
secondary
#62B6C2
accent
#D1E642
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150805
muted
#837B79

Preview Lab

Preview with #A43525

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

Preview Lab → · Contrast checker → · Palette generator →

#A43525 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva