#AD2B20#AD2B20

#AD2B20 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 29.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B20
RGB	rgb(173, 43, 32)
HSL	hsl(5, 69%, 40%)
HSV	hsv(5, 82%, 68%)
CMYK	cmyk(0%, 75.1%, 81.5%, 32.2%)
CIE-LAB	lab(39.10, 51.52, 38.40)
CIE-LCH	lch(39.10, 64.26, 36.70°)
OKLab	oklab(49.48% 0.1467 0.0825)
OKLCH	oklch(49.48% 0.168 29.3)
XYZ	xyz(18.3604, 10.7192, 2.4685)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B20 #20A2AD

analogous

#AD205B #AD2B20 #AD7220

triadic

#AD2B20 #20AD2B #2B20AD

tetradic

#AD2B20 #5BAD20 #20A2AD #7220AD

square

#AD2B20 #5BAD20 #20A2AD #7220AD

split-complementary

#AD2B20 #20AD72 #205BAD

monochromatic

#46110D #791E16 #AD2B20 #D93E31 #E26F65

Accessibility & contrast

On white

6.68

#AD2B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B20

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B20	#FFFFFF	#000000	##FFFFFF
##AD2B20	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1D

Deuteranopia (green-blind)

#73661A

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b20;
/* rgb */ color: rgb(173, 43, 32);
/* oklch */ color: oklch(49.5% 0.168 29.3);

Tailwind

colors: {
  custom: {
    50: '#cf6f5d',
    500: '#ad2b20',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b20;
$custom-light: #cf6f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b20",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 32
  },
  "hsl": {
    "h": 4.681,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49483,
    "c": 0.16833,
    "h": 29.3
  },
  "luminance": 0.10716
}

Semantic roles & 50–950 ramp

primary

#AD2B20

secondary

#61C0C8

accent

#DEEC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2B20

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

Preview Lab → · Contrast checker → · Palette generator →