#AC372D#AC372D

#AC372D is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.154 H 28.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#AC372D
RGB	rgb(172, 55, 45)
HSL	hsl(5, 59%, 43%)
HSV	hsv(5, 74%, 67%)
CMYK	cmyk(0%, 68%, 73.8%, 32.5%)
CIE-LAB	lab(40.73, 47.09, 32.75)
CIE-LCH	lch(40.73, 57.36, 34.82°)
OKLab	oklab(50.71% 0.1356 0.074)
OKLCH	oklch(50.71% 0.154 28.6)
XYZ	xyz(18.8552, 11.6953, 3.7467)
Luminance	0.1169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC372D #2DA2AC

analogous

#AC2D63 #AC372D #AC762D

triadic

#AC372D #2DAC37 #372DAC

tetradic

#AC372D #63AC2D #2DA2AC #762DAC

square

#AC372D #63AC2D #2DA2AC #762DAC

split-complementary

#AC372D #2DAC76 #2D63AC

monochromatic

#4B1814 #7B2720 #AC372D #CF5247 #DC8078

Accessibility & contrast

On white

6.29

#AC372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AC372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC372D

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC372D	#FFFFFF	#000000	##FFFFFF
##AC372D	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502B

Deuteranopia (green-blind)

#756929

Tritanopia (blue-blind)

#BD1436

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac372d;
/* rgb */ color: rgb(172, 55, 45);
/* oklch */ color: oklch(50.7% 0.154 28.6);

Tailwind

colors: {
  custom: {
    50: '#cc7566',
    500: '#ac372d',
    950: '#000000',
  },
}

SCSS

$custom: #ac372d;
$custom-light: #cc7566;
$custom-dark: #000000;

JSON

{
  "hex": "#ac372d",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 4.724,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50708,
    "c": 0.15448,
    "h": 28.6
  },
  "luminance": 0.11692
}

Semantic roles & 50–950 ramp

primary

#AC372D

secondary

#71BDC4

accent

#D5E246

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC372D

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

Preview Lab → · Contrast checker → · Palette generator →