#A33823#A33823

#A33823 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.146 H 33.1°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#A33823
RGBrgb(163, 56, 35)
HSLhsl(10, 65%, 39%)
HSVhsv(10, 79%, 64%)
CMYKcmyk(0%, 65.6%, 78.5%, 36.1%)
CIE-LABlab(39.14, 43.08, 36.19)
CIE-LCHlch(39.14, 56.26, 40.04°)
OKLaboklab(49.17% 0.1221 0.0795)
OKLCHoklch(49.17% 0.146 33.1)
XYZxyz(16.8237, 10.7387, 2.7767)
Luminance0.1074 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A33823 #238EA3
analogous
#A3234E #A33823 #A37823
triadic
#A33823 #23A338 #3823A3
tetradic
#A33823 #4EA323 #238EA3 #7823A3
square
#A33823 #4EA323 #238EA3 #7823A3
split-complementary
#A33823 #23A378 #234EA3
monochromatic
#3E150D #712718 #A33823 #D34B31 #DD7763

Accessibility & contrast

On white

6.67
#A33823 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#A33823 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33823
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A33823#FFFFFF#000000##FFFFFF
##A338231.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D20
Deuteranopia (green-blind)
#71651F
Tritanopia (blue-blind)
#B41A34
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a33823;
/* rgb */ color: rgb(163, 56, 35);
/* oklch */ color: oklch(49.2% 0.146 33.1);
Tailwind
colors: {
  custom: {
    50: '#c6745f',
    500: '#a33823',
    950: '#000000',
  },
}
SCSS
$custom: #a33823;
$custom-light: #c6745f;
$custom-dark: #000000;
JSON
{
  "hex": "#a33823",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 35
  },
  "hsl": {
    "h": 9.844,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49172,
    "c": 0.14568,
    "h": 33.1
  },
  "luminance": 0.10736
}

Semantic roles & 50–950 ramp

primary
#A33823
secondary
#5FB2C3
accent
#CCE840
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140805
muted
#837B79

Preview Lab

Preview with #A33823

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

Preview Lab → · Contrast checker → · Palette generator →

#A33823 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva