#AD503B#AD503B

#AD503B is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.4% C 0.127 H 34.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#AD503B
RGB	rgb(173, 80, 59)
HSL	hsl(11, 49%, 45%)
HSV	hsv(11, 66%, 68%)
CMYK	cmyk(0%, 53.8%, 65.9%, 32.2%)
CIE-LAB	lab(45.55, 36.45, 30.36)
CIE-LCH	lch(45.55, 47.44, 39.79°)
OKLab	oklab(54.44% 0.1051 0.0711)
OKLCH	oklch(54.44% 0.127 34.1)
XYZ	xyz(20.8936, 14.9399, 5.9202)
Luminance	0.1494 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD503B #3B98AD

analogous

#AD3B5F #AD503B #AD893B

triadic

#AD503B #3BAD50 #503BAD

tetradic

#AD503B #5FAD3B #3B98AD #893BAD

square

#AD503B #5FAD3B #3B98AD #893BAD

split-complementary

#AD503B #3BAD89 #3B5FAD

monochromatic

#52261C #7F3B2B #AD503B #C8715D #D7998B

Accessibility & contrast

On white

5.27

#AD503B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#AD503B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD503B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD503B	#FFFFFF	#000000	##FFFFFF
##AD503B	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)

#685F39

Deuteranopia (green-blind)

#7F7439

Tritanopia (blue-blind)

#BD3E4B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #ad503b;
/* rgb */ color: rgb(173, 80, 59);
/* oklch */ color: oklch(54.4% 0.127 34.1);

Tailwind

colors: {
  custom: {
    50: '#cb8371',
    500: '#ad503b',
    950: '#000000',
  },
}

SCSS

$custom: #ad503b;
$custom-light: #cb8371;
$custom-dark: #000000;

JSON

{
  "hex": "#ad503b",
  "rgb": {
    "r": 173,
    "g": 80,
    "b": 59
  },
  "hsl": {
    "h": 11.053,
    "s": 49.138,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54442,
    "c": 0.1269,
    "h": 34.1
  },
  "luminance": 0.14937
}

Semantic roles & 50–950 ramp

primary

#AD503B

secondary

#82B6C2

accent

#BFD94F

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B08

muted

#837C7B

Preview Lab

Preview with #AD503B

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

Preview Lab → · Contrast checker → · Palette generator →