#AC3540#AC3540

#AC3540 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.154 H 19.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#AC3540
RGB	rgb(172, 53, 64)
HSL	hsl(354, 53%, 44%)
HSV	hsv(354, 69%, 67%)
CMYK	cmyk(0%, 69.2%, 62.8%, 32.5%)
CIE-LAB	lab(40.72, 48.97, 21.29)
CIE-LCH	lch(40.72, 53.40, 23.50°)
OKLab	oklab(50.8% 0.1455 0.0513)
OKLCH	oklch(50.8% 0.154 19.4)
XYZ	xyz(19.2137, 11.6897, 6.0941)
Luminance	0.1169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3540 #35ACA1

analogous

#AC357C #AC3540 #AC6635

triadic

#AC3540 #40AC35 #3540AC

tetradic

#AC3540 #7CAC35 #35ACA1 #6635AC

square

#AC3540 #7CAC35 #35ACA1 #6635AC

split-complementary

#AC3540 #35AC66 #357CAC

monochromatic

#4E181D #7D272F #AC3540 #CA545F #D9838B

Accessibility & contrast

On white

6.29

#AC3540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AC3540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3540

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3540	#FFFFFF	#000000	##FFFFFF
##AC3540	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555040

Deuteranopia (green-blind)

#73693D

Tritanopia (blue-blind)

#BD173A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3540;
/* rgb */ color: rgb(172, 53, 64);
/* oklch */ color: oklch(50.8% 0.154 19.4);

Tailwind

colors: {
  custom: {
    50: '#cb7474',
    500: '#ac3540',
    950: '#000000',
  },
}

SCSS

$custom: #ac3540;
$custom-light: #cb7474;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3540",
  "rgb": {
    "r": 172,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.454,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50795,
    "c": 0.15427,
    "h": 19.4
  },
  "luminance": 0.11687
}

Semantic roles & 50–950 ramp

primary

#AC3540

secondary

#7BC2BC

accent

#DCCF4C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3540

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

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