#AD403F#AD403F

#AD403F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.143 H 24.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#AD403F
RGB	rgb(173, 64, 63)
HSL	hsl(1, 47%, 46%)
HSV	hsv(1, 64%, 68%)
CMYK	cmyk(0%, 63%, 63.6%, 32.2%)
CIE-LAB	lab(42.63, 44.51, 24.38)
CIE-LCH	lch(42.63, 50.75, 28.72°)
OKLab	oklab(52.26% 0.131 0.0582)
OKLCH	oklch(52.26% 0.143 24)
XYZ	xyz(19.9661, 12.9126, 6.1427)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD403F #3FACAD

analogous

#AD3F75 #AD403F #AD773F

triadic

#AD403F #3FAD40 #403FAD

tetradic

#AD403F #75AD3F #3FACAD #773FAD

square

#AD403F #75AD3F #3FACAD #773FAD

split-complementary

#AD403F #3FAD77 #3F75AD

monochromatic

#531F1E #802F2F #AD403F #C66463 #D79190

Accessibility & contrast

On white

5.86

#AD403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#AD403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD403F

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD403F	#FFFFFF	#000000	##FFFFFF
##AD403F	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563E

Deuteranopia (green-blind)

#786D3C

Tritanopia (blue-blind)

#BD2941

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad403f;
/* rgb */ color: rgb(173, 64, 63);
/* oklch */ color: oklch(52.3% 0.143 24.0);

Tailwind

colors: {
  custom: {
    50: '#cc7a74',
    500: '#ad403f',
    950: '#000000',
  },
}

SCSS

$custom: #ad403f;
$custom-light: #cc7a74;
$custom-dark: #000000;

JSON

{
  "hex": "#ad403f",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.545,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52255,
    "c": 0.14339,
    "h": 24
  },
  "luminance": 0.1291
}

Semantic roles & 50–950 ramp

primary

#AD403F

secondary

#86C1C2

accent

#D5D652

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD403F

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

Preview Lab → · Contrast checker → · Palette generator →