#AD2B28#AD2B28

#AD2B28 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.167 H 26.8°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B28
RGB	rgb(173, 43, 40)
HSL	hsl(1, 62%, 42%)
HSV	hsv(1, 77%, 68%)
CMYK	cmyk(0%, 75.1%, 76.9%, 32.2%)
CIE-LAB	lab(39.19, 51.80, 34.00)
CIE-LCH	lch(39.19, 61.96, 33.28°)
OKLab	oklab(49.57% 0.1493 0.0754)
OKLCH	oklch(49.57% 0.167 26.8)
XYZ	xyz(18.4826, 10.7681, 3.1123)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B28 #28AAAD

analogous

#AD2868 #AD2B28 #AD6D28

triadic

#AD2B28 #28AD2B #2B28AD

tetradic

#AD2B28 #68AD28 #28AAAD #6D28AD

square

#AD2B28 #68AD28 #28AAAD #6D28AD

split-complementary

#AD2B28 #28AD6D #2868AD

monochromatic

#4A1211 #7B1F1D #AD2B28 #D3433F #DE7471

Accessibility & contrast

On white

6.66

#AD2B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD2B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B28

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B28	#FFFFFF	#000000	##FFFFFF
##AD2B28	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#726723

Tritanopia (blue-blind)

#BF002C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b28;
/* rgb */ color: rgb(173, 43, 40);
/* oklch */ color: oklch(49.6% 0.167 26.8);

Tailwind

colors: {
  custom: {
    50: '#ce6f62',
    500: '#ad2b28',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b28;
$custom-light: #ce6f62;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b28",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 1.353,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49572,
    "c": 0.16721,
    "h": 26.8
  },
  "luminance": 0.10765
}

Semantic roles & 50–950 ramp

primary

#AD2B28

secondary

#6CC3C5

accent

#E2E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2B28

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

Preview Lab → · Contrast checker → · Palette generator →