#AC3750#AC3750

#AC3750 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.152 H 11.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#AC3750
RGB	rgb(172, 55, 80)
HSL	hsl(347, 52%, 45%)
HSV	hsv(347, 68%, 67%)
CMYK	cmyk(0%, 68%, 53.5%, 32.5%)
CIE-LAB	lab(41.35, 49.34, 12.16)
CIE-LCH	lch(41.35, 50.82, 13.84°)
OKLab	oklab(51.38% 0.1493 0.0308)
OKLCH	oklch(51.38% 0.152 11.7)
XYZ	xyz(19.8291, 12.0848, 8.8763)
Luminance	0.1208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3750 #37AC93

analogous

#AC378B #AC3750 #AC5837

triadic

#AC3750 #50AC37 #3750AC

tetradic

#AC3750 #8BAC37 #37AC93 #5837AC

square

#AC3750 #8BAC37 #37AC93 #5837AC

split-complementary

#AC3750 #37AC58 #378BAC

monochromatic

#4F1925 #7E283A #AC3750 #C9576F #D88597

Accessibility & contrast

On white

6.15

#AC3750 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AC3750 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3750

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3750	#FFFFFF	#000000	##FFFFFF
##AC3750	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535250

Deuteranopia (green-blind)

#716A4D

Tritanopia (blue-blind)

#BC2141

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3750;
/* rgb */ color: rgb(172, 55, 80);
/* oklch */ color: oklch(51.4% 0.152 11.7);

Tailwind

colors: {
  custom: {
    50: '#ca7580',
    500: '#ac3750',
    950: '#000000',
  },
}

SCSS

$custom: #ac3750;
$custom-light: #ca7580;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3750",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 80
  },
  "hsl": {
    "h": 347.179,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51375,
    "c": 0.15244,
    "h": 11.7
  },
  "luminance": 0.12082
}

Semantic roles & 50–950 ramp

primary

#AC3750

secondary

#7DC2B3

accent

#DBBD4D

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#14090A

muted

#837B7C

Preview Lab

Preview with #AC3750

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

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