#AD503A#AD503A

#AD503A is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.4% C 0.127 H 34.6°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#AD503A
RGB	rgb(173, 80, 58)
HSL	hsl(11, 50%, 45%)
HSV	hsv(11, 66%, 68%)
CMYK	cmyk(0%, 53.8%, 66.5%, 32.2%)
CIE-LAB	lab(45.54, 36.39, 30.91)
CIE-LCH	lch(45.54, 47.75, 40.35°)
OKLab	oklab(54.43% 0.1047 0.0722)
OKLCH	oklch(54.43% 0.127 34.6)
XYZ	xyz(20.8679, 14.9296, 5.7850)
Luminance	0.1493 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD503A #3A97AD

analogous

#AD3A5E #AD503A #AD893A

triadic

#AD503A #3AAD50 #503AAD

tetradic

#AD503A #5EAD3A #3A97AD #893AAD

square

#AD503A #5EAD3A #3A97AD #893AAD

split-complementary

#AD503A #3AAD89 #3A5EAD

monochromatic

#51261B #7F3B2B #AD503A #C8715C #D8998A

Accessibility & contrast

On white

5.27

#AD503A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#AD503A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD503A

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD503A	#FFFFFF	#000000	##FFFFFF
##AD503A	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#7F7338

Tritanopia (blue-blind)

#BD3E4B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #ad503a;
/* rgb */ color: rgb(173, 80, 58);
/* oklch */ color: oklch(54.4% 0.127 34.6);

Tailwind

colors: {
  custom: {
    50: '#cb8371',
    500: '#ad503a',
    950: '#000000',
  },
}

SCSS

$custom: #ad503a;
$custom-light: #cb8371;
$custom-dark: #000000;

JSON

{
  "hex": "#ad503a",
  "rgb": {
    "r": 173,
    "g": 80,
    "b": 58
  },
  "hsl": {
    "h": 11.478,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.1272,
    "h": 34.6
  },
  "luminance": 0.14927
}

Semantic roles & 50–950 ramp

primary

#AD503A

secondary

#81B6C2

accent

#BFD94E

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B07

muted

#837C7A

Preview Lab

Preview with #AD503A

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

Preview Lab → · Contrast checker → · Palette generator →