#AD3F33#AD3F33

#AD3F33 is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.146 H 29.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#AD3F33
RGB	rgb(173, 63, 51)
HSL	hsl(6, 54%, 44%)
HSV	hsv(6, 71%, 68%)
CMYK	cmyk(0%, 63.6%, 70.5%, 32.2%)
CIE-LAB	lab(42.28, 44.25, 31.10)
CIE-LCH	lch(42.28, 54.08, 35.10°)
OKLab	oklab(51.93% 0.1279 0.0715)
OKLCH	oklch(51.93% 0.146 29.2)
XYZ	xyz(19.6107, 12.6810, 4.5464)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3F33 #33A1AD

analogous

#AD3364 #AD3F33 #AD7C33

triadic

#AD3F33 #33AD3F #3F33AD

tetradic

#AD3F33 #64AD33 #33A1AD #7C33AD

square

#AD3F33 #64AD33 #33A1AD #7C33AD

split-complementary

#AD3F33 #33AD7C #3364AD

monochromatic

#4E1D17 #7E2E25 #AD3F33 #CC5D51 #DA8981

Accessibility & contrast

On white

5.94

#AD3F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#AD3F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3F33

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3F33	#FFFFFF	#000000	##FFFFFF
##AD3F33	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#786D30

Tritanopia (blue-blind)

#BE253D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad3f33;
/* rgb */ color: rgb(173, 63, 51);
/* oklch */ color: oklch(51.9% 0.146 29.2);

Tailwind

colors: {
  custom: {
    50: '#cc796b',
    500: '#ad3f33',
    950: '#000000',
  },
}

SCSS

$custom: #ad3f33;
$custom-light: #cc796b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3f33",
  "rgb": {
    "r": 173,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 5.902,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51931,
    "c": 0.14648,
    "h": 29.2
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#AD3F33

secondary

#79BCC3

accent

#CFDE4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AD3F33

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

Preview Lab → · Contrast checker → · Palette generator →