#AC4437#AC4437

#AC4437 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.5% C 0.139 H 29.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#AC4437
RGB	rgb(172, 68, 55)
HSL	hsl(7, 52%, 45%)
HSV	hsv(7, 68%, 67%)
CMYK	cmyk(0%, 60.5%, 68%, 32.5%)
CIE-LAB	lab(43.04, 41.78, 29.62)
CIE-LCH	lch(43.04, 51.22, 35.33°)
OKLab	oklab(52.49% 0.1211 0.0689)
OKLCH	oklch(52.49% 0.139 29.7)
XYZ	xyz(19.7719, 13.1834, 5.1172)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4437 #379FAC

analogous

#AC3764 #AC4437 #AC7F37

triadic

#AC4437 #37AC44 #4437AC

tetradic

#AC4437 #64AC37 #379FAC #7F37AC

square

#AC4437 #64AC37 #379FAC #7F37AC

split-complementary

#AC4437 #37AC7F #3764AC

monochromatic

#4F1F19 #7E3228 #AC4437 #C96457 #D88F85

Accessibility & contrast

On white

5.78

#AC4437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#AC4437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4437

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4437	#FFFFFF	#000000	##FFFFFF
##AC4437	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#BD2E41

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac4437;
/* rgb */ color: rgb(172, 68, 55);
/* oklch */ color: oklch(52.5% 0.139 29.7);

Tailwind

colors: {
  custom: {
    50: '#cb7c6e',
    500: '#ac4437',
    950: '#000000',
  },
}

SCSS

$custom: #ac4437;
$custom-light: #cb7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4437",
  "rgb": {
    "r": 172,
    "g": 68,
    "b": 55
  },
  "hsl": {
    "h": 6.667,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52489,
    "c": 0.1393,
    "h": 29.7
  },
  "luminance": 0.13181
}

Semantic roles & 50–950 ramp

primary

#AC4437

secondary

#7DBAC2

accent

#CBDB4D

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AC4437

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

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