#AD403C#AD403C

#AD403C is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.2% C 0.144 H 25.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#AD403C
RGB	rgb(173, 64, 60)
HSL	hsl(2, 48%, 46%)
HSV	hsv(2, 65%, 68%)
CMYK	cmyk(0%, 63%, 65.3%, 32.2%)
CIE-LAB	lab(42.58, 44.31, 26.13)
CIE-LCH	lch(42.58, 51.44, 30.52°)
OKLab	oklab(52.2% 0.1298 0.0618)
OKLCH	oklch(52.2% 0.144 25.5)
XYZ	xyz(19.8845, 12.8800, 5.7131)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD403C #3CA9AD

analogous

#AD3C70 #AD403C #AD783C

triadic

#AD403C #3CAD40 #403CAD

tetradic

#AD403C #70AD3C #3CA9AD #783CAD

square

#AD403C #70AD3C #3CA9AD #783CAD

split-complementary

#AD403C #3CAD78 #3C70AD

monochromatic

#521E1C #802F2C #AD403C #C7625F #D78F8C

Accessibility & contrast

On white

5.87

#AD403C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#AD403C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD403C

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD403C	#FFFFFF	#000000	##FFFFFF
##AD403C	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563B

Deuteranopia (green-blind)

#786D39

Tritanopia (blue-blind)

#BE2840

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad403c;
/* rgb */ color: rgb(173, 64, 60);
/* oklch */ color: oklch(52.2% 0.144 25.5);

Tailwind

colors: {
  custom: {
    50: '#cc7a72',
    500: '#ad403c',
    950: '#000000',
  },
}

SCSS

$custom: #ad403c;
$custom-light: #cc7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#ad403c",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 2.124,
    "s": 48.498,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52202,
    "c": 0.14381,
    "h": 25.5
  },
  "luminance": 0.12877
}

Semantic roles & 50–950 ramp

primary

#AD403C

secondary

#83C0C2

accent

#D3D850

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AD403C

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

Preview Lab → · Contrast checker → · Palette generator →