#AD3643#AD3643

#AD3643 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.154 H 18.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#AD3643
RGB	rgb(173, 54, 67)
HSL	hsl(353, 52%, 45%)
HSV	hsv(353, 69%, 68%)
CMYK	cmyk(0%, 68.8%, 61.3%, 32.2%)
CIE-LAB	lab(41.11, 49.09, 19.97)
CIE-LCH	lch(41.11, 53.00, 22.13°)
OKLab	oklab(51.14% 0.1463 0.0485)
OKLCH	oklch(51.14% 0.154 18.3)
XYZ	xyz(19.5678, 11.9305, 6.5815)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3643 #36ADA0

analogous

#AD367F #AD3643 #AD6436

triadic

#AD3643 #43AD36 #3643AD

tetradic

#AD3643 #7FAD36 #36ADA0 #6436AD

square

#AD3643 #7FAD36 #36ADA0 #6436AD

split-complementary

#AD3643 #36AD64 #367FAD

monochromatic

#50191F #7E2731 #AD3643 #CA5663 #D9858E

Accessibility & contrast

On white

6.20

#AD3643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#AD3643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3643

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3643	#FFFFFF	#000000	##FFFFFF
##AD3643	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555143

Deuteranopia (green-blind)

#736A40

Tritanopia (blue-blind)

#BD193C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3643;
/* rgb */ color: rgb(173, 54, 67);
/* oklch */ color: oklch(51.1% 0.154 18.3);

Tailwind

colors: {
  custom: {
    50: '#cc7577',
    500: '#ad3643',
    950: '#000000',
  },
}

SCSS

$custom: #ad3643;
$custom-light: #cc7577;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3643",
  "rgb": {
    "r": 173,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.445,
    "s": 52.423,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51136,
    "c": 0.15416,
    "h": 18.3
  },
  "luminance": 0.11928
}

Semantic roles & 50–950 ramp

primary

#AD3643

secondary

#7CC2BB

accent

#DCCC4C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD3643

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

Preview Lab → · Contrast checker → · Palette generator →