#AD2A23#AD2A23

#AD2A23 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.169 H 28.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A23
RGB	rgb(173, 42, 35)
HSL	hsl(3, 66%, 41%)
HSV	hsv(3, 80%, 68%)
CMYK	cmyk(0%, 75.7%, 79.8%, 32.2%)
CIE-LAB	lab(39.01, 51.96, 36.66)
CIE-LCH	lch(39.01, 63.59, 35.20°)
OKLab	oklab(49.42% 0.1487 0.0797)
OKLCH	oklch(49.42% 0.169 28.2)
XYZ	xyz(18.3671, 10.6644, 2.6811)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A23 #23A6AD

analogous

#AD2361 #AD2A23 #AD6F23

triadic

#AD2A23 #23AD2A #2A23AD

tetradic

#AD2A23 #61AD23 #23A6AD #6F23AD

square

#AD2A23 #61AD23 #23A6AD #6F23AD

split-complementary

#AD2A23 #23AD6F #2361AD

monochromatic

#47110E #7A1E19 #AD2A23 #D63F37 #E1706A

Accessibility & contrast

On white

6.70

#AD2A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD2A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A23

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A23	#FFFFFF	#000000	##FFFFFF
##AD2A23	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A21

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a23;
/* rgb */ color: rgb(173, 42, 35);
/* oklch */ color: oklch(49.4% 0.169 28.2);

Tailwind

colors: {
  custom: {
    50: '#ce6e5f',
    500: '#ad2a23',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a23;
$custom-light: #ce6e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a23",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 3.043,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49422,
    "c": 0.16872,
    "h": 28.2
  },
  "luminance": 0.10662
}

Semantic roles & 50–950 ramp

primary

#AD2A23

secondary

#65C2C7

accent

#E1E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2A23

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

Preview Lab → · Contrast checker → · Palette generator →