#AD3A22#AD3A22

#AD3A22 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.155 H 33.5°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A22
RGB	rgb(173, 58, 34)
HSL	hsl(10, 67%, 41%)
HSV	hsv(10, 80%, 68%)
CMYK	cmyk(0%, 66.5%, 80.3%, 32.2%)
CIE-LAB	lab(41.26, 45.73, 39.47)
CIE-LCH	lch(41.26, 60.40, 40.80°)
OKLab	oklab(51.11% 0.1291 0.0855)
OKLCH	oklch(51.11% 0.155 33.5)
XYZ	xyz(19.0375, 12.0286, 2.8324)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A22 #2295AD

analogous

#AD224F #AD3A22 #AD8022

triadic

#AD3A22 #22AD3A #3A22AD

tetradic

#AD3A22 #4FAD22 #2295AD #8022AD

square

#AD3A22 #4FAD22 #2295AD #8022AD

split-complementary

#AD3A22 #22AD80 #224FAD

monochromatic

#47180E #7A2918 #AD3A22 #D75135 #E17D68

Accessibility & contrast

On white

6.17

#AD3A22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AD3A22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A22

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A22	#FFFFFF	#000000	##FFFFFF
##AD3A22	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511E

Deuteranopia (green-blind)

#786B1D

Tritanopia (blue-blind)

#BF1835

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a22;
/* rgb */ color: rgb(173, 58, 34);
/* oklch */ color: oklch(51.1% 0.155 33.5);

Tailwind

colors: {
  custom: {
    50: '#ce765f',
    500: '#ad3a22',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a22;
$custom-light: #ce765f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a22",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 34
  },
  "hsl": {
    "h": 10.36,
    "s": 67.15,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51105,
    "c": 0.15482,
    "h": 33.5
  },
  "luminance": 0.12026
}

Semantic roles & 50–950 ramp

primary

#AD3A22

secondary

#64B6C7

accent

#CCEA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3A22

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

Preview Lab → · Contrast checker → · Palette generator →