#AD403D#AD403D

#AD403D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.2% C 0.144 H 25.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#AD403D
RGB	rgb(173, 64, 61)
HSL	hsl(2, 48%, 46%)
HSV	hsv(2, 65%, 68%)
CMYK	cmyk(0%, 63%, 64.7%, 32.2%)
CIE-LAB	lab(42.60, 44.38, 25.55)
CIE-LCH	lch(42.60, 51.21, 29.93°)
OKLab	oklab(52.22% 0.1302 0.0607)
OKLCH	oklch(52.22% 0.144 25)
XYZ	xyz(19.9112, 12.8906, 5.8536)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD403D #3DAAAD

analogous

#AD3D72 #AD403D #AD783D

triadic

#AD403D #3DAD40 #403DAD

tetradic

#AD403D #72AD3D #3DAAAD #783DAD

square

#AD403D #72AD3D #3DAAAD #783DAD

split-complementary

#AD403D #3DAD78 #3D72AD

monochromatic

#531F1D #802F2D #AD403D #C76360 #D78F8D

Accessibility & contrast

On white

5.87

#AD403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#AD403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD403D

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD403D	#FFFFFF	#000000	##FFFFFF
##AD403D	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)

#5C563C

Deuteranopia (green-blind)

#786D3A

Tritanopia (blue-blind)

#BE2940

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad403d;
/* rgb */ color: rgb(173, 64, 61);
/* oklch */ color: oklch(52.2% 0.144 25.0);

Tailwind

colors: {
  custom: {
    50: '#cc7a72',
    500: '#ad403d',
    950: '#000000',
  },
}

SCSS

$custom: #ad403d;
$custom-light: #cc7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#ad403d",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.607,
    "s": 47.863,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52219,
    "c": 0.14367,
    "h": 25
  },
  "luminance": 0.12888
}

Semantic roles & 50–950 ramp

primary

#AD403D

secondary

#84C0C2

accent

#D4D750

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD403D

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

Preview Lab → · Contrast checker → · Palette generator →