#AD2823#AD2823

#AD2823 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.170 H 27.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#AD2823
RGBrgb(173, 40, 35)
HSLhsl(2, 66%, 41%)
HSVhsv(2, 80%, 68%)
CMYKcmyk(0%, 76.9%, 79.8%, 32.2%)
CIE-LABlab(38.77, 52.63, 36.41)
CIE-LCHlch(38.77, 64.00, 34.68°)
OKLaboklab(49.24% 0.1508 0.0792)
OKLCHoklch(49.24% 0.17 27.7)
XYZxyz(18.2979, 10.5261, 2.6581)
Luminance0.1052 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2823 #23A8AD
analogous
#AD2363 #AD2823 #AD6D23
triadic
#AD2823 #23AD28 #2823AD
tetradic
#AD2823 #63AD23 #23A8AD #6D23AD
square
#AD2823 #63AD23 #23A8AD #6D23AD
split-complementary
#AD2823 #23AD6D #2363AD
monochromatic
#47100E #7A1C19 #AD2823 #D63D37 #E16E6A

Accessibility & contrast

On white

6.76
#AD2823 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#AD2823 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2823
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2823#FFFFFF#000000##FFFFFF
##AD28231.006.763.106.76
#FFFFFF6.761.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514921
Deuteranopia (green-blind)
#72661D
Tritanopia (blue-blind)
#BF0029
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ad2823;
/* rgb */ color: rgb(173, 40, 35);
/* oklch */ color: oklch(49.2% 0.170 27.7);
Tailwind
colors: {
  custom: {
    50: '#cf6d5f',
    500: '#ad2823',
    950: '#000000',
  },
}
SCSS
$custom: #ad2823;
$custom-light: #cf6d5f;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2823",
  "rgb": {
    "r": 173,
    "g": 40,
    "b": 35
  },
  "hsl": {
    "h": 2.174,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49244,
    "c": 0.17032,
    "h": 27.7
  },
  "luminance": 0.10523
}

Semantic roles & 50–950 ramp

primary
#AD2823
secondary
#65C3C7
accent
#E3E93F
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79

Preview Lab

Preview with #AD2823

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2823 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva