#AD2540#AD2540

#AD2540 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.5% C 0.171 H 15.6°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AD2540
RGB	rgb(173, 37, 64)
HSL	hsl(348, 65%, 41%)
HSV	hsv(348, 79%, 68%)
CMYK	cmyk(0%, 78.6%, 63%, 32.2%)
CIE-LAB	lab(38.86, 54.96, 18.91)
CIE-LCH	lch(38.86, 58.12, 18.99°)
OKLab	oklab(49.45% 0.1645 0.0458)
OKLCH	oklch(49.45% 0.171 15.6)
XYZ	xyz(18.8226, 10.5804, 5.9006)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2540 #25AD92

analogous

#AD2584 #AD2540 #AD4E25

triadic

#AD2540 #40AD25 #2540AD

tetradic

#AD2540 #84AD25 #25AD92 #4E25AD

square

#AD2540 #84AD25 #25AD92 #4E25AD

split-complementary

#AD2540 #25AD4E #2584AD

monochromatic

#480F1B #7B1A2D #AD2540 #D53A59 #E06D84

Accessibility & contrast

On white

6.74

#AD2540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AD2540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2540

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2540	#FFFFFF	#000000	##FFFFFF
##AD2540	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4940

Deuteranopia (green-blind)

#6F663C

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2540;
/* rgb */ color: rgb(173, 37, 64);
/* oklch */ color: oklch(49.5% 0.171 15.6);

Tailwind

colors: {
  custom: {
    50: '#cd6d74',
    500: '#ad2540',
    950: '#000000',
  },
}

SCSS

$custom: #ad2540;
$custom-light: #cd6d74;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2540",
  "rgb": {
    "r": 173,
    "g": 37,
    "b": 64
  },
  "hsl": {
    "h": 348.088,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49452,
    "c": 0.17078,
    "h": 15.6
  },
  "luminance": 0.10578
}

Semantic roles & 50–950 ramp

primary

#AD2540

secondary

#68C6B3

accent

#E8C640

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AD2540

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

Preview Lab → · Contrast checker → · Palette generator →