#AC3748#AC3748

#AC3748 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.152 H 16.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#AC3748
RGB	rgb(172, 55, 72)
HSL	hsl(351, 52%, 45%)
HSV	hsv(351, 68%, 67%)
CMYK	cmyk(0%, 68%, 58.1%, 32.5%)
CIE-LAB	lab(41.17, 48.71, 16.92)
CIE-LCH	lch(41.17, 51.57, 19.15°)
OKLab	oklab(51.19% 0.1461 0.0418)
OKLCH	oklch(51.19% 0.152 16)
XYZ	xyz(19.5510, 11.9736, 7.4113)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3748 #37AC9B

analogous

#AC3783 #AC3748 #AC6137

triadic

#AC3748 #48AC37 #3748AC

tetradic

#AC3748 #83AC37 #37AC9B #6137AC

square

#AC3748 #83AC37 #37AC9B #6137AC

split-complementary

#AC3748 #37AC61 #3783AC

monochromatic

#4F1921 #7E2835 #AC3748 #C95768 #D88591

Accessibility & contrast

On white

6.19

#AC3748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#AC3748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3748

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3748	#FFFFFF	#000000	##FFFFFF
##AC3748	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555248

Deuteranopia (green-blind)

#726A45

Tritanopia (blue-blind)

#BC1E3E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3748;
/* rgb */ color: rgb(172, 55, 72);
/* oklch */ color: oklch(51.2% 0.152 16.0);

Tailwind

colors: {
  custom: {
    50: '#cb757a',
    500: '#ac3748',
    950: '#000000',
  },
}

SCSS

$custom: #ac3748;
$custom-light: #cb757a;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3748",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 351.282,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51186,
    "c": 0.15196,
    "h": 16
  },
  "luminance": 0.11971
}

Semantic roles & 50–950 ramp

primary

#AC3748

secondary

#7DC2B8

accent

#DBC64D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140909

muted

#837B7B

Preview Lab

Preview with #AC3748

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

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