#AC4237#AC4237

#AC4237 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.2% C 0.141 H 28.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#AC4237
RGB	rgb(172, 66, 55)
HSL	hsl(6, 52%, 45%)
HSV	hsv(6, 68%, 67%)
CMYK	cmyk(0%, 61.6%, 68%, 32.5%)
CIE-LAB	lab(42.68, 42.73, 29.19)
CIE-LCH	lch(42.68, 51.75, 34.34°)
OKLab	oklab(52.22% 0.124 0.068)
OKLCH	oklch(52.22% 0.141 28.7)
XYZ	xyz(19.6530, 12.9456, 5.0775)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4237 #37A1AC

analogous

#AC3767 #AC4237 #AC7D37

triadic

#AC4237 #37AC42 #4237AC

tetradic

#AC4237 #67AC37 #37A1AC #7D37AC

square

#AC4237 #67AC37 #37A1AC #7D37AC

split-complementary

#AC4237 #37AC7D #3767AC

monochromatic

#4F1E19 #7E3028 #AC4237 #C96257 #D88D85

Accessibility & contrast

On white

5.85

#AC4237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#AC4237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4237

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4237	#FFFFFF	#000000	##FFFFFF
##AC4237	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5635

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#BD2B40

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ac4237;
/* rgb */ color: rgb(172, 66, 55);
/* oklch */ color: oklch(52.2% 0.141 28.7);

Tailwind

colors: {
  custom: {
    50: '#cb7b6e',
    500: '#ac4237',
    950: '#000000',
  },
}

SCSS

$custom: #ac4237;
$custom-light: #cb7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4237",
  "rgb": {
    "r": 172,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.641,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52219,
    "c": 0.14142,
    "h": 28.7
  },
  "luminance": 0.12943
}

Semantic roles & 50–950 ramp

primary

#AC4237

secondary

#7DBBC2

accent

#CEDB4D

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AC4237

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

Preview Lab → · Contrast checker → · Palette generator →