#AD3A20#AD3A20

#AD3A20 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.155 H 34.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A20
RGB	rgb(173, 58, 32)
HSL	hsl(11, 69%, 40%)
HSV	hsv(11, 82%, 68%)
CMYK	cmyk(0%, 66.5%, 81.5%, 32.2%)
CIE-LAB	lab(41.24, 45.66, 40.48)
CIE-LCH	lch(41.24, 61.02, 41.56°)
OKLab	oklab(51.09% 0.1285 0.0871)
OKLCH	oklch(51.09% 0.155 34.1)
XYZ	xyz(19.0095, 12.0174, 2.6849)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A20 #2093AD

analogous

#AD204C #AD3A20 #AD8020

triadic

#AD3A20 #20AD3A #3A20AD

tetradic

#AD3A20 #4CAD20 #2093AD #8020AD

square

#AD3A20 #4CAD20 #2093AD #8020AD

split-complementary

#AD3A20 #20AD80 #204CAD

monochromatic

#46170D #792916 #AD3A20 #D95031 #E27C65

Accessibility & contrast

On white

6.17

#AD3A20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AD3A20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A20

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A20	#FFFFFF	#000000	##FFFFFF
##AD3A20	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511C

Deuteranopia (green-blind)

#786B1B

Tritanopia (blue-blind)

#BF1735

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a20;
/* rgb */ color: rgb(173, 58, 32);
/* oklch */ color: oklch(51.1% 0.155 34.1);

Tailwind

colors: {
  custom: {
    50: '#ce765e',
    500: '#ad3a20',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a20;
$custom-light: #ce765e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a20",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 32
  },
  "hsl": {
    "h": 11.064,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51086,
    "c": 0.15522,
    "h": 34.1
  },
  "luminance": 0.12015
}

Semantic roles & 50–950 ramp

primary

#AD3A20

secondary

#61B5C8

accent

#CBEC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3A20

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

Preview Lab → · Contrast checker → · Palette generator →