#AD3E21#AD3E21

#AD3E21 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.151 H 35.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#AD3E21
RGB	rgb(173, 62, 33)
HSL	hsl(12, 68%, 40%)
HSV	hsv(12, 81%, 68%)
CMYK	cmyk(0%, 64.2%, 80.9%, 32.2%)
CIE-LAB	lab(41.91, 43.93, 40.62)
CIE-LCH	lch(41.91, 59.83, 42.76°)
OKLab	oklab(51.59% 0.1233 0.0877)
OKLCH	oklch(51.59% 0.151 35.4)
XYZ	xyz(19.2329, 12.4421, 2.8274)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3E21 #2190AD

analogous

#AD214A #AD3E21 #AD8421

triadic

#AD3E21 #21AD3E #3E21AD

tetradic

#AD3E21 #4AAD21 #2190AD #8421AD

square

#AD3E21 #4AAD21 #2190AD #8421AD

split-complementary

#AD3E21 #21AD84 #214AAD

monochromatic

#46190D #7A2C17 #AD3E21 #D85533 #E28066

Accessibility & contrast

On white

6.02

#AD3E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#AD3E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3E21

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3E21	#FFFFFF	#000000	##FFFFFF
##AD3E21	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E531D

Deuteranopia (green-blind)

#796C1C

Tritanopia (blue-blind)

#BF2038

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3e21;
/* rgb */ color: rgb(173, 62, 33);
/* oklch */ color: oklch(51.6% 0.151 35.4);

Tailwind

colors: {
  custom: {
    50: '#ce785f',
    500: '#ad3e21',
    950: '#000000',
  },
}

SCSS

$custom: #ad3e21;
$custom-light: #ce785f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3e21",
  "rgb": {
    "r": 173,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 12.429,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5159,
    "c": 0.15133,
    "h": 35.4
  },
  "luminance": 0.12439
}

Semantic roles & 50–950 ramp

primary

#AD3E21

secondary

#62B2C7

accent

#C7EB3D

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3E21

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

Preview Lab → · Contrast checker → · Palette generator →