#AC4131#AC4131

#AC4131 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.0% C 0.144 H 31.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#AC4131
RGB	rgb(172, 65, 49)
HSL	hsl(8, 56%, 43%)
HSV	hsv(8, 72%, 67%)
CMYK	cmyk(0%, 62.2%, 71.5%, 32.5%)
CIE-LAB	lab(42.42, 42.87, 32.38)
CIE-LCH	lch(42.42, 53.72, 37.06°)
OKLab	oklab(52% 0.1232 0.074)
OKLCH	oklch(52% 0.144 31)
XYZ	xyz(19.4599, 12.7757, 4.3464)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4131 #319CAC

analogous

#AC315E #AC4131 #AC7E31

triadic

#AC4131 #31AC41 #4131AC

tetradic

#AC4131 #5EAC31 #319CAC #7E31AC

square

#AC4131 #5EAC31 #319CAC #7E31AC

split-complementary

#AC4131 #31AC7E #315EAC

monochromatic

#4D1D16 #7C2F23 #AC4131 #CC5E4E #DA897D

Accessibility & contrast

On white

5.91

#AC4131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#AC4131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4131

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4131	#FFFFFF	#000000	##FFFFFF
##AC4131	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#796D2E

Tritanopia (blue-blind)

#BD283E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac4131;
/* rgb */ color: rgb(172, 65, 49);
/* oklch */ color: oklch(52.0% 0.144 31.0);

Tailwind

colors: {
  custom: {
    50: '#cc7a6a',
    500: '#ac4131',
    950: '#000000',
  },
}

SCSS

$custom: #ac4131;
$custom-light: #cc7a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4131",
  "rgb": {
    "r": 172,
    "g": 65,
    "b": 49
  },
  "hsl": {
    "h": 7.805,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51999,
    "c": 0.14373,
    "h": 31
  },
  "luminance": 0.12773
}

Semantic roles & 50–950 ramp

primary

#AC4131

secondary

#76B9C3

accent

#CBDF49

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC4131

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

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