#AC2528#AC2528

#AC2528 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.9% C 0.171 H 25.3°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#AC2528
RGB	rgb(172, 37, 40)
HSL	hsl(359, 65%, 41%)
HSV	hsv(359, 78%, 67%)
CMYK	cmyk(0%, 78.5%, 76.7%, 32.5%)
CIE-LAB	lab(38.29, 53.45, 32.96)
CIE-LCH	lch(38.29, 62.80, 31.66°)
OKLab	oklab(48.87% 0.1546 0.0732)
OKLCH	oklch(48.87% 0.171 25.3)
XYZ	xyz(18.0600, 10.2499, 3.0346)
Luminance	0.1025 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2528 #25ACA9

analogous

#AC256B #AC2528 #AC6525

triadic

#AC2528 #28AC25 #2528AC

tetradic

#AC2528 #6BAC25 #25ACA9 #6525AC

square

#AC2528 #6BAC25 #25ACA9 #6525AC

split-complementary

#AC2528 #25AC65 #256BAC

monochromatic

#470F11 #7A1A1C #AC2528 #D53A3D #DF6C6F

Accessibility & contrast

On white

6.89

#AC2528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AC2528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2528

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2528	#FFFFFF	#000000	##FFFFFF
##AC2528	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4726

Deuteranopia (green-blind)

#706523

Tritanopia (blue-blind)

#BE0028

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ac2528;
/* rgb */ color: rgb(172, 37, 40);
/* oklch */ color: oklch(48.9% 0.171 25.3);

Tailwind

colors: {
  custom: {
    50: '#ce6c62',
    500: '#ac2528',
    950: '#000000',
  },
}

SCSS

$custom: #ac2528;
$custom-light: #ce6c62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2528",
  "rgb": {
    "r": 172,
    "g": 37,
    "b": 40
  },
  "hsl": {
    "h": 358.667,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48867,
    "c": 0.17106,
    "h": 25.3
  },
  "luminance": 0.10247
}

Semantic roles & 50–950 ramp

primary

#AC2528

secondary

#67C6C4

accent

#E8E440

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2528

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

Preview Lab → · Contrast checker → · Palette generator →