#AC3749#AC3749

#AC3749 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.152 H 15.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#AC3749
RGB	rgb(172, 55, 73)
HSL	hsl(351, 52%, 45%)
HSV	hsv(351, 68%, 67%)
CMYK	cmyk(0%, 68%, 57.6%, 32.5%)
CIE-LAB	lab(41.20, 48.79, 16.32)
CIE-LCH	lch(41.20, 51.45, 18.50°)
OKLab	oklab(51.21% 0.1465 0.0404)
OKLCH	oklch(51.21% 0.152 15.4)
XYZ	xyz(19.5839, 11.9867, 7.5845)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3749 #37AC9A

analogous

#AC3784 #AC3749 #AC5F37

triadic

#AC3749 #49AC37 #3749AC

tetradic

#AC3749 #84AC37 #37AC9A #5F37AC

square

#AC3749 #84AC37 #37AC9A #5F37AC

split-complementary

#AC3749 #37AC5F #3784AC

monochromatic

#4F1922 #7E2835 #AC3749 #C95769 #D88592

Accessibility & contrast

On white

6.18

#AC3749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AC3749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3749

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3749	#FFFFFF	#000000	##FFFFFF
##AC3749	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545249

Deuteranopia (green-blind)

#726A46

Tritanopia (blue-blind)

#BC1E3E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3749;
/* rgb */ color: rgb(172, 55, 73);
/* oklch */ color: oklch(51.2% 0.152 15.4);

Tailwind

colors: {
  custom: {
    50: '#cb757b',
    500: '#ac3749',
    950: '#000000',
  },
}

SCSS

$custom: #ac3749;
$custom-light: #cb757b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3749",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 350.769,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51208,
    "c": 0.15198,
    "h": 15.4
  },
  "luminance": 0.11984
}

Semantic roles & 50–950 ramp

primary

#AC3749

secondary

#7DC2B7

accent

#DBC54D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140909

muted

#837B7B

Preview Lab

Preview with #AC3749

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

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