#AC5437#AC5437

#AC5437 is a mid, vivid red. Relative luminance 0.154; OKLCH L 54.9% C 0.123 H 38.7°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#AC5437
RGB	rgb(172, 84, 55)
HSL	hsl(15, 52%, 45%)
HSV	hsv(15, 68%, 67%)
CMYK	cmyk(0%, 51.2%, 68%, 32.5%)
CIE-LAB	lab(46.16, 33.73, 33.31)
CIE-LCH	lch(46.16, 47.40, 44.65°)
OKLab	oklab(54.86% 0.0961 0.077)
OKLCH	oklch(54.86% 0.123 38.7)
XYZ	xyz(20.8750, 15.3896, 5.4849)
Luminance	0.1539 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC5437 #378FAC

analogous

#AC3754 #AC5437 #AC8F37

triadic

#AC5437 #37AC54 #5437AC

tetradic

#AC5437 #54AC37 #378FAC #8F37AC

square

#AC5437 #54AC37 #378FAC #8F37AC

split-complementary

#AC5437 #37AC8F #3754AC

monochromatic

#4F2719 #7E3D28 #AC5437 #C97357 #D89A85

Accessibility & contrast

On white

5.15

#AC5437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#AC5437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC5437

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC5437	#FFFFFF	#000000	##FFFFFF
##AC5437	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6134

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#BC434D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #ac5437;
/* rgb */ color: rgb(172, 84, 55);
/* oklch */ color: oklch(54.9% 0.123 38.7);

Tailwind

colors: {
  custom: {
    50: '#ca866f',
    500: '#ac5437',
    950: '#000000',
  },
}

SCSS

$custom: #ac5437;
$custom-light: #ca866f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac5437",
  "rgb": {
    "r": 172,
    "g": 84,
    "b": 55
  },
  "hsl": {
    "h": 14.872,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54859,
    "c": 0.12314,
    "h": 38.7
  },
  "luminance": 0.15387
}

Semantic roles & 50–950 ramp

primary

#AC5437

secondary

#7DB1C2

accent

#B8DB4D

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B07

muted

#837C7A

Preview Lab

Preview with #AC5437

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

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