#AD2633#AD2633

#AD2633 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.170 H 21.4°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#AD2633
RGBrgb(173, 38, 51)
HSLhsl(354, 64%, 41%)
HSVhsv(354, 78%, 68%)
CMYKcmyk(0%, 78%, 70.5%, 32.2%)
CIE-LABlab(38.75, 53.93, 26.90)
CIE-LCHlch(38.75, 60.26, 26.51°)
OKLaboklab(49.29% 0.1584 0.0622)
OKLCHoklch(49.29% 0.17 21.4)
XYZxyz(18.5263, 10.5124, 4.1849)
Luminance0.1051 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AD2633 #26ADA0
analogous
#AD2677 #AD2633 #AD5D26
triadic
#AD2633 #33AD26 #2633AD
tetradic
#AD2633 #77AD26 #26ADA0 #5D26AD
square
#AD2633 #77AD26 #26ADA0 #5D26AD
split-complementary
#AD2633 #26AD5D #2677AD
monochromatic
#491015 #7B1B24 #AD2633 #D43C4B #DF6E79

Accessibility & contrast

On white

6.77
#AD2633 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#AD2633 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2633
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AD2633#FFFFFF#000000##FFFFFF
##AD26331.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4932
Deuteranopia (green-blind)
#70662F
Tritanopia (blue-blind)
#BE002C
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #ad2633;
/* rgb */ color: rgb(173, 38, 51);
/* oklch */ color: oklch(49.3% 0.170 21.4);
Tailwind
colors: {
  custom: {
    50: '#ce6d6a',
    500: '#ad2633',
    950: '#000000',
  },
}
SCSS
$custom: #ad2633;
$custom-light: #ce6d6a;
$custom-dark: #000000;
JSON
{
  "hex": "#ad2633",
  "rgb": {
    "r": 173,
    "g": 38,
    "b": 51
  },
  "hsl": {
    "h": 354.222,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49292,
    "c": 0.17023,
    "h": 21.4
  },
  "luminance": 0.10509
}

Semantic roles & 50–950 ramp

primary
#AD2633
secondary
#69C6BD
accent
#E7D741
background
#FDF6F6
surface
#FBECEB
border
#D4C7C6
text
#150806
muted
#837B7A

Preview Lab

Preview with #AD2633

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

Preview Lab → · Contrast checker → · Palette generator →

#AD2633 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva