#AD2520#AD2520

#AD2520 is a mid, vivid red. Relative luminance 0.103; OKLCH L 49.0% C 0.173 H 27.9°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#AD2520
RGB	rgb(173, 37, 32)
HSL	hsl(2, 69%, 40%)
HSV	hsv(2, 82%, 68%)
CMYK	cmyk(0%, 78.6%, 81.5%, 32.2%)
CIE-LAB	lab(38.40, 53.48, 37.71)
CIE-LCH	lch(38.40, 65.44, 35.19°)
OKLab	oklab(48.96% 0.1529 0.081)
OKLCH	oklch(48.96% 0.173 27.9)
XYZ	xyz(18.1581, 10.3146, 2.4010)
Luminance	0.1031 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2520 #20A8AD

analogous

#AD2061 #AD2520 #AD6C20

triadic

#AD2520 #20AD25 #2520AD

tetradic

#AD2520 #61AD20 #20A8AD #6C20AD

square

#AD2520 #61AD20 #20A8AD #6C20AD

split-complementary

#AD2520 #20AD6C #2061AD

monochromatic

#460F0D #791A16 #AD2520 #D93731 #E26965

Accessibility & contrast

On white

6.86

#AD2520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#AD2520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2520

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2520	#FFFFFF	#000000	##FFFFFF
##AD2520	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471E

Deuteranopia (green-blind)

#716519

Tritanopia (blue-blind)

#BF0026

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ad2520;
/* rgb */ color: rgb(173, 37, 32);
/* oklch */ color: oklch(49.0% 0.173 27.9);

Tailwind

colors: {
  custom: {
    50: '#cf6c5d',
    500: '#ad2520',
    950: '#000000',
  },
}

SCSS

$custom: #ad2520;
$custom-light: #cf6c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2520",
  "rgb": {
    "r": 173,
    "g": 37,
    "b": 32
  },
  "hsl": {
    "h": 2.128,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4896,
    "c": 0.173,
    "h": 27.9
  },
  "luminance": 0.10312
}

Semantic roles & 50–950 ramp

primary

#AD2520

secondary

#61C4C8

accent

#E5EC3C

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AD2520

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

Preview Lab → · Contrast checker → · Palette generator →