#A33E27#A33E27

#A33E27 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.139 H 34.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#A33E27
RGBrgb(163, 62, 39)
HSLhsl(11, 61%, 40%)
HSVhsv(11, 76%, 64%)
CMYKcmyk(0%, 62%, 76.1%, 36.1%)
CIE-LABlab(40.21, 40.48, 35.14)
CIE-LCHlch(40.21, 53.60, 40.96°)
OKLaboklab(50% 0.1148 0.0783)
OKLCHoklch(50% 0.139 34.3)
XYZxyz(17.1949, 11.3807, 3.2103)
Luminance0.1138 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33E27 #278CA3
analogous
#A3274E #A33E27 #A37C27
triadic
#A33E27 #27A33E #3E27A3
tetradic
#A33E27 #4EA327 #278CA3 #7C27A3
square
#A33E27 #4EA327 #278CA3 #7C27A3
split-complementary
#A33E27 #27A37C #274EA3
monochromatic
#40180F #722B1B #A33E27 #CF5438 #DB7E69

Accessibility & contrast

On white

6.41
#A33E27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.28
#A33E27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E27
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33E27#FFFFFF#000000##FFFFFF
##A33E271.006.413.286.41
#FFFFFF6.411.0021.001.00
#0000003.2821.001.0021.00
##FFFFFF6.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A5124
Deuteranopia (green-blind)
#736724
Tritanopia (blue-blind)
#B32639
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #a33e27;
/* rgb */ color: rgb(163, 62, 39);
/* oklch */ color: oklch(50.0% 0.139 34.3);
Tailwind
colors: {
  custom: {
    50: '#c67762',
    500: '#a33e27',
    950: '#000000',
  },
}
SCSS
$custom: #a33e27;
$custom-light: #c67762;
$custom-dark: #000000;
JSON
{
  "hex": "#a33e27",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 11.129,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49998,
    "c": 0.13896,
    "h": 34.3
  },
  "luminance": 0.11378
}

Semantic roles & 50–950 ramp

primary
#A33E27
secondary
#64B0C1
accent
#C7E443
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#140905
muted
#837B79

Preview Lab

Preview with #A33E27

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

Preview Lab → · Contrast checker → · Palette generator →

#A33E27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva