#AD3933#AD3933

#AD3933 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.153 H 26.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#AD3933
RGB	rgb(173, 57, 51)
HSL	hsl(3, 54%, 44%)
HSV	hsv(3, 71%, 68%)
CMYK	cmyk(0%, 67.1%, 70.5%, 32.2%)
CIE-LAB	lab(41.30, 46.89, 29.94)
CIE-LCH	lch(41.30, 55.63, 32.56°)
OKLab	oklab(51.2% 0.1361 0.069)
OKLCH	oklch(51.2% 0.153 26.9)
XYZ	xyz(19.2963, 12.0523, 4.4416)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3933 #33A7AD

analogous

#AD336A #AD3933 #AD7633

triadic

#AD3933 #33AD39 #3933AD

tetradic

#AD3933 #6AAD33 #33A7AD #7633AD

square

#AD3933 #6AAD33 #33A7AD #7633AD

split-complementary

#AD3933 #33AD76 #336AAD

monochromatic

#4E1A17 #7E2925 #AD3933 #CC5751 #DA8581

Accessibility & contrast

On white

6.16

#AD3933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AD3933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3933

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3933	#FFFFFF	#000000	##FFFFFF
##AD3933	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595131

Deuteranopia (green-blind)

#766B2F

Tritanopia (blue-blind)

#BE1A39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3933;
/* rgb */ color: rgb(173, 57, 51);
/* oklch */ color: oklch(51.2% 0.153 26.9);

Tailwind

colors: {
  custom: {
    50: '#cd766b',
    500: '#ad3933',
    950: '#000000',
  },
}

SCSS

$custom: #ad3933;
$custom-light: #cd766b;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3933",
  "rgb": {
    "r": 173,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.951,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51196,
    "c": 0.15259,
    "h": 26.9
  },
  "luminance": 0.1205
}

Semantic roles & 50–950 ramp

primary

#AD3933

secondary

#79BFC3

accent

#D7DE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AD3933

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

Preview Lab → · Contrast checker → · Palette generator →