#AC372E#AC372E

#AC372E is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.154 H 28.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#AC372E
RGB	rgb(172, 55, 46)
HSL	hsl(4, 58%, 43%)
HSV	hsv(4, 73%, 67%)
CMYK	cmyk(0%, 68%, 73.3%, 32.5%)
CIE-LAB	lab(40.74, 47.14, 32.19)
CIE-LCH	lch(40.74, 57.08, 34.33°)
OKLab	oklab(50.72% 0.136 0.073)
OKLCH	oklch(50.72% 0.154 28.2)
XYZ	xyz(18.8747, 11.7030, 3.8493)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC372E #2EA3AC

analogous

#AC2E64 #AC372E #AC762E

triadic

#AC372E #2EAC37 #372EAC

tetradic

#AC372E #64AC2E #2EA3AC #762EAC

square

#AC372E #64AC2E #2EA3AC #762EAC

split-complementary

#AC372E #2EAC76 #2E64AC

monochromatic

#4B1814 #7C2821 #AC372E #CE5249 #DB8079

Accessibility & contrast

On white

6.29

#AC372E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AC372E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC372E

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC372E	#FFFFFF	#000000	##FFFFFF
##AC372E	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)

#58502C

Deuteranopia (green-blind)

#75692A

Tritanopia (blue-blind)

#BD1536

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac372e;
/* rgb */ color: rgb(172, 55, 46);
/* oklch */ color: oklch(50.7% 0.154 28.2);

Tailwind

colors: {
  custom: {
    50: '#cc7567',
    500: '#ac372e',
    950: '#000000',
  },
}

SCSS

$custom: #ac372e;
$custom-light: #cc7567;
$custom-dark: #000000;

JSON

{
  "hex": "#ac372e",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 46
  },
  "hsl": {
    "h": 4.286,
    "s": 57.798,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50722,
    "c": 0.15432,
    "h": 28.2
  },
  "luminance": 0.117
}

Semantic roles & 50–950 ramp

primary

#AC372E

secondary

#72BEC3

accent

#D6E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC372E

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

Preview Lab → · Contrast checker → · Palette generator →