#AC3538#AC3538

#AC3538 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.155 H 23.2°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#AC3538
RGB	rgb(172, 53, 56)
HSL	hsl(358, 53%, 44%)
HSV	hsv(358, 69%, 67%)
CMYK	cmyk(0%, 69.2%, 67.4%, 32.5%)
CIE-LAB	lab(40.58, 48.48, 26.03)
CIE-LCH	lch(40.58, 55.03, 28.23°)
OKLab	oklab(50.65% 0.1423 0.0611)
OKLCH	oklch(50.65% 0.155 23.2)
XYZ	xyz(19.0022, 11.6051, 4.9800)
Luminance	0.1160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3538 #35ACA9

analogous

#AC3574 #AC3538 #AC6E35

triadic

#AC3538 #38AC35 #3538AC

tetradic

#AC3538 #74AC35 #35ACA9 #6E35AC

square

#AC3538 #74AC35 #35ACA9 #6E35AC

split-complementary

#AC3538 #35AC6E #3574AC

monochromatic

#4E181A #7D2729 #AC3538 #CA5457 #D98385

Accessibility & contrast

On white

6.32

#AC3538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AC3538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3538

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3538	#FFFFFF	#000000	##FFFFFF
##AC3538	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F37

Deuteranopia (green-blind)

#746935

Tritanopia (blue-blind)

#BD1337

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3538;
/* rgb */ color: rgb(172, 53, 56);
/* oklch */ color: oklch(50.6% 0.155 23.2);

Tailwind

colors: {
  custom: {
    50: '#cc746e',
    500: '#ac3538',
    950: '#000000',
  },
}

SCSS

$custom: #ac3538;
$custom-light: #cc746e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3538",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 56
  },
  "hsl": {
    "h": 358.487,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50649,
    "c": 0.15489,
    "h": 23.2
  },
  "luminance": 0.11602
}

Semantic roles & 50–950 ramp

primary

#AC3538

secondary

#7BC2C0

accent

#DCD94C

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3538

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

Preview Lab → · Contrast checker → · Palette generator →