#AD2C23#AD2C23

#AD2C23 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 28.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#AD2C23
RGB	rgb(173, 44, 35)
HSL	hsl(4, 66%, 41%)
HSV	hsv(4, 80%, 68%)
CMYK	cmyk(0%, 74.6%, 79.8%, 32.2%)
CIE-LAB	lab(39.26, 51.27, 36.91)
CIE-LCH	lch(39.26, 63.17, 35.75°)
OKLab	oklab(49.61% 0.1465 0.0802)
OKLCH	oklch(49.61% 0.167 28.7)
XYZ	xyz(18.4398, 10.8098, 2.7054)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2C23 #23A4AD

analogous

#AD235F #AD2C23 #AD7123

triadic

#AD2C23 #23AD2C #2C23AD

tetradic

#AD2C23 #5FAD23 #23A4AD #7123AD

square

#AD2C23 #5FAD23 #23A4AD #7123AD

split-complementary

#AD2C23 #23AD71 #235FAD

monochromatic

#47120E #7A1F19 #AD2C23 #D64137 #E1716A

Accessibility & contrast

On white

6.64

#AD2C23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#AD2C23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2C23

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2C23	#FFFFFF	#000000	##FFFFFF
##AD2C23	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A21

Deuteranopia (green-blind)

#73671D

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2c23;
/* rgb */ color: rgb(173, 44, 35);
/* oklch */ color: oklch(49.6% 0.167 28.7);

Tailwind

colors: {
  custom: {
    50: '#ce6f5f',
    500: '#ad2c23',
    950: '#000000',
  },
}

SCSS

$custom: #ad2c23;
$custom-light: #ce6f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2c23",
  "rgb": {
    "r": 173,
    "g": 44,
    "b": 35
  },
  "hsl": {
    "h": 3.913,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49608,
    "c": 0.16707,
    "h": 28.7
  },
  "luminance": 0.10807
}

Semantic roles & 50–950 ramp

primary

#AD2C23

secondary

#65C0C7

accent

#DEE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AD2C23

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

Preview Lab → · Contrast checker → · Palette generator →