#AC3734#AC3734

#AC3734 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.153 H 25.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#AC3734
RGB	rgb(172, 55, 52)
HSL	hsl(2, 54%, 44%)
HSV	hsv(2, 70%, 67%)
CMYK	cmyk(0%, 68%, 69.8%, 32.5%)
CIE-LAB	lab(40.82, 47.44, 28.74)
CIE-LCH	lch(40.82, 55.46, 31.21°)
OKLab	oklab(50.81% 0.1382 0.0665)
OKLCH	oklch(50.81% 0.153 25.7)
XYZ	xyz(19.0013, 11.7537, 4.5163)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3734 #34A9AC

analogous

#AC346D #AC3734 #AC7334

triadic

#AC3734 #34AC37 #3734AC

tetradic

#AC3734 #6DAC34 #34A9AC #7334AC

square

#AC3734 #6DAC34 #34A9AC #7334AC

split-complementary

#AC3734 #34AC73 #346DAC

monochromatic

#4E1918 #7D2826 #AC3734 #CB5552 #D98481

Accessibility & contrast

On white

6.27

#AC3734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AC3734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3734

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3734	#FFFFFF	#000000	##FFFFFF
##AC3734	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575033

Deuteranopia (green-blind)

#756A30

Tritanopia (blue-blind)

#BD1637

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3734;
/* rgb */ color: rgb(172, 55, 52);
/* oklch */ color: oklch(50.8% 0.153 25.7);

Tailwind

colors: {
  custom: {
    50: '#cc756b',
    500: '#ac3734',
    950: '#000000',
  },
}

SCSS

$custom: #ac3734;
$custom-light: #cc756b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3734",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50809,
    "c": 0.15337,
    "h": 25.7
  },
  "luminance": 0.11751
}

Semantic roles & 50–950 ramp

primary

#AC3734

secondary

#79C0C2

accent

#D9DD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3734

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

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