#A33D23#A33D23

#A33D23 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.141 H 35.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#A33D23
RGBrgb(163, 61, 35)
HSLhsl(12, 65%, 39%)
HSVhsv(12, 79%, 64%)
CMYKcmyk(0%, 62.6%, 78.5%, 36.1%)
CIE-LABlab(39.99, 40.79, 37.08)
CIE-LCHlch(39.99, 55.12, 42.27°)
OKLaboklab(49.82% 0.115 0.0814)
OKLCHoklch(49.82% 0.141 35.3)
XYZxyz(17.0782, 11.2478, 2.8615)
Luminance0.1124 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33D23 #2389A3
analogous
#A32349 #A33D23 #A37D23
triadic
#A33D23 #23A33D #3D23A3
tetradic
#A33D23 #49A323 #2389A3 #7D23A3
square
#A33D23 #49A323 #2389A3 #7D23A3
split-complementary
#A33D23 #23A37D #2349A3
monochromatic
#3E170D #712A18 #A33D23 #D35131 #DD7C63

Accessibility & contrast

On white

6.46
#A33D23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#A33D23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D23
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33D23#FFFFFF#000000##FFFFFF
##A33D231.006.463.256.46
#FFFFFF6.461.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A501F
Deuteranopia (green-blind)
#73671F
Tritanopia (blue-blind)
#B32338
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a33d23;
/* rgb */ color: rgb(163, 61, 35);
/* oklch */ color: oklch(49.8% 0.141 35.3);
Tailwind
colors: {
  custom: {
    50: '#c67760',
    500: '#a33d23',
    950: '#000000',
  },
}
SCSS
$custom: #a33d23;
$custom-light: #c67760;
$custom-dark: #000000;
JSON
{
  "hex": "#a33d23",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 35
  },
  "hsl": {
    "h": 12.188,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49819,
    "c": 0.14089,
    "h": 35.3
  },
  "luminance": 0.11245
}

Semantic roles & 50–950 ramp

primary
#A33D23
secondary
#5FAEC3
accent
#C6E840
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140905
muted
#837B79

Preview Lab

Preview with #A33D23

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

Preview Lab → · Contrast checker → · Palette generator →

#A33D23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva