#AC3753#AC3753

#AC3753 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.153 H 10.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#AC3753
RGB	rgb(172, 55, 83)
HSL	hsl(346, 52%, 45%)
HSV	hsv(346, 68%, 67%)
CMYK	cmyk(0%, 68%, 51.7%, 32.5%)
CIE-LAB	lab(41.42, 49.60, 10.38)
CIE-LCH	lch(41.42, 50.67, 11.82°)
OKLab	oklab(51.45% 0.1505 0.0266)
OKLCH	oklch(51.45% 0.153 10)
XYZ	xyz(19.9425, 12.1302, 9.4731)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3753 #37AC90

analogous

#AC378E #AC3753 #AC5637

triadic

#AC3753 #53AC37 #3753AC

tetradic

#AC3753 #8EAC37 #37AC90 #5637AC

square

#AC3753 #8EAC37 #37AC90 #5637AC

split-complementary

#AC3753 #37AC56 #378EAC

monochromatic

#4F1926 #7E283D #AC3753 #C95772 #D88599

Accessibility & contrast

On white

6.13

#AC3753 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AC3753 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3753

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3753	#FFFFFF	#000000	##FFFFFF
##AC3753	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525353

Deuteranopia (green-blind)

#716A50

Tritanopia (blue-blind)

#BB2242

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3753;
/* rgb */ color: rgb(172, 55, 83);
/* oklch */ color: oklch(51.5% 0.153 10.0);

Tailwind

colors: {
  custom: {
    50: '#ca7583',
    500: '#ac3753',
    950: '#000000',
  },
}

SCSS

$custom: #ac3753;
$custom-light: #ca7583;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3753",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 345.641,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51452,
    "c": 0.15281,
    "h": 10
  },
  "luminance": 0.12128
}

Semantic roles & 50–950 ramp

primary

#AC3753

secondary

#7DC2B1

accent

#DBB94D

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#14090A

muted

#837B7C

Preview Lab

Preview with #AC3753

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

Preview Lab → · Contrast checker → · Palette generator →