#AC3F33#AC3F33

#AC3F33 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.145 H 29.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#AC3F33
RGB	rgb(172, 63, 51)
HSL	hsl(6, 54%, 44%)
HSV	hsv(6, 70%, 67%)
CMYK	cmyk(0%, 63.4%, 70.3%, 32.5%)
CIE-LAB	lab(42.10, 43.89, 30.85)
CIE-LCH	lch(42.10, 53.65, 35.10°)
OKLab	oklab(51.77% 0.1268 0.071)
OKLCH	oklch(51.77% 0.145 29.2)
XYZ	xyz(19.3903, 12.5674, 4.5360)
Luminance	0.1257 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3F33 #33A0AC

analogous

#AC3363 #AC3F33 #AC7B33

triadic

#AC3F33 #33AC3F #3F33AC

tetradic

#AC3F33 #63AC33 #33A0AC #7B33AC

square

#AC3F33 #63AC33 #33A0AC #7B33AC

split-complementary

#AC3F33 #33AC7B #3363AC

monochromatic

#4E1C17 #7D2E25 #AC3F33 #CB5D51 #D98980

Accessibility & contrast

On white

5.98

#AC3F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#AC3F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F33

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3F33	#FFFFFF	#000000	##FFFFFF
##AC3F33	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5431

Deuteranopia (green-blind)

#786C30

Tritanopia (blue-blind)

#BD253D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3f33;
/* rgb */ color: rgb(172, 63, 51);
/* oklch */ color: oklch(51.8% 0.145 29.2);

Tailwind

colors: {
  custom: {
    50: '#cc796b',
    500: '#ac3f33',
    950: '#000000',
  },
}

SCSS

$custom: #ac3f33;
$custom-light: #cc796b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3f33",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 5.95,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51767,
    "c": 0.14535,
    "h": 29.2
  },
  "luminance": 0.12565
}

Semantic roles & 50–950 ramp

primary

#AC3F33

secondary

#78BBC2

accent

#CFDE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3F33

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

Preview Lab → · Contrast checker → · Palette generator →