#AD3A33#AD3A33

#AD3A33 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.152 H 27.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A33
RGB	rgb(173, 58, 51)
HSL	hsl(3, 54%, 44%)
HSV	hsv(3, 71%, 68%)
CMYK	cmyk(0%, 66.5%, 70.5%, 32.2%)
CIE-LAB	lab(41.46, 46.46, 30.13)
CIE-LCH	lch(41.46, 55.37, 32.96°)
OKLab	oklab(51.31% 0.1348 0.0694)
OKLCH	oklch(51.31% 0.152 27.2)
XYZ	xyz(19.3462, 12.1521, 4.4582)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A33 #33A6AD

analogous

#AD3369 #AD3A33 #AD7733

triadic

#AD3A33 #33AD3A #3A33AD

tetradic

#AD3A33 #69AD33 #33A6AD #7733AD

square

#AD3A33 #69AD33 #33A6AD #7733AD

split-complementary

#AD3A33 #33AD77 #3369AD

monochromatic

#4E1A17 #7E2A25 #AD3A33 #CC5851 #DA8681

Accessibility & contrast

On white

6.12

#AD3A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AD3A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A33

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A33	#FFFFFF	#000000	##FFFFFF
##AD3A33	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5231

Deuteranopia (green-blind)

#766B2F

Tritanopia (blue-blind)

#BE1C39

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3a33;
/* rgb */ color: rgb(173, 58, 51);
/* oklch */ color: oklch(51.3% 0.152 27.2);

Tailwind

colors: {
  custom: {
    50: '#cd766b',
    500: '#ad3a33',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a33;
$custom-light: #cd766b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a33",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 3.443,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51314,
    "c": 0.15158,
    "h": 27.2
  },
  "luminance": 0.12149
}

Semantic roles & 50–950 ramp

primary

#AD3A33

secondary

#79BFC3

accent

#D5DE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AD3A33

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

Preview Lab → · Contrast checker → · Palette generator →