#A33D30#A33D30

#A33D30 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.138 H 30.0°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#A33D30
RGBrgb(163, 61, 48)
HSLhsl(7, 55%, 41%)
HSVhsv(7, 71%, 64%)
CMYKcmyk(0%, 62.6%, 70.6%, 36.1%)
CIE-LABlab(40.15, 41.39, 29.92)
CIE-LCHlch(40.15, 51.07, 35.86°)
OKLaboklab(49.98% 0.1195 0.0688)
OKLCHoklch(49.98% 0.138 30)
XYZxyz(17.3083, 11.3398, 4.0731)
Luminance0.1134 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33D30 #3096A3
analogous
#A3305D #A33D30 #A37730
triadic
#A33D30 #30A33D #3D30A3
tetradic
#A33D30 #5DA330 #3096A3 #7730A3
square
#A33D30 #5DA330 #3096A3 #7730A3
split-complementary
#A33D30 #30A377 #305DA3
monochromatic
#441A14 #742B22 #A33D30 #C95647 #D78177

Accessibility & contrast

On white

6.43
#A33D30 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#A33D30 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D30
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33D30#FFFFFF#000000##FFFFFF
##A33D301.006.433.276.43
#FFFFFF6.431.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#59512E
Deuteranopia (green-blind)
#72672D
Tritanopia (blue-blind)
#B3263A
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #a33d30;
/* rgb */ color: rgb(163, 61, 48);
/* oklch */ color: oklch(50.0% 0.138 30.0);
Tailwind
colors: {
  custom: {
    50: '#c57769',
    500: '#a33d30',
    950: '#000000',
  },
}
SCSS
$custom: #a33d30;
$custom-light: #c57769;
$custom-dark: #000000;
JSON
{
  "hex": "#a33d30",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 6.783,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49982,
    "c": 0.13788,
    "h": 30
  },
  "luminance": 0.11337
}

Semantic roles & 50–950 ramp

primary
#A33D30
secondary
#70B6BF
accent
#CDDE4A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A33D30

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

Preview Lab → · Contrast checker → · Palette generator →

#A33D30 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva