#AD2730#AD2730

#AD2730 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.170 H 22.9°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#AD2730
RGB	rgb(173, 39, 48)
HSL	hsl(356, 63%, 42%)
HSV	hsv(356, 77%, 68%)
CMYK	cmyk(0%, 77.5%, 72.3%, 32.2%)
CIE-LAB	lab(38.81, 53.47, 28.82)
CIE-LCH	lch(38.81, 60.74, 28.32°)
OKLab	oklab(49.33% 0.1563 0.0659)
OKLCH	oklch(49.33% 0.17 22.9)
XYZ	xyz(18.4947, 10.5516, 3.8586)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2730 #27ADA4

analogous

#AD2773 #AD2730 #AD6127

triadic

#AD2730 #30AD27 #2730AD

tetradic

#AD2730 #73AD27 #27ADA4 #6127AD

square

#AD2730 #73AD27 #27ADA4 #6127AD

split-complementary

#AD2730 #27AD61 #2773AD

monochromatic

#491014 #7B1C22 #AD2730 #D33E48 #DF7077

Accessibility & contrast

On white

6.75

#AD2730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD2730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2730

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2730	#FFFFFF	#000000	##FFFFFF
##AD2730	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F492F

Deuteranopia (green-blind)

#71662B

Tritanopia (blue-blind)

#BE002C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2730;
/* rgb */ color: rgb(173, 39, 48);
/* oklch */ color: oklch(49.3% 0.170 22.9);

Tailwind

colors: {
  custom: {
    50: '#ce6d68',
    500: '#ad2730',
    950: '#000000',
  },
}

SCSS

$custom: #ad2730;
$custom-light: #ce6d68;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2730",
  "rgb": {
    "r": 173,
    "g": 39,
    "b": 48
  },
  "hsl": {
    "h": 355.97,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49328,
    "c": 0.16964,
    "h": 22.9
  },
  "luminance": 0.10549
}

Semantic roles & 50–950 ramp

primary

#AD2730

secondary

#6AC6BF

accent

#E6DB42

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD2730

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

Preview Lab → · Contrast checker → · Palette generator →