#AC3F29#AC3F29

#AC3F29 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.6% C 0.148 H 33.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#AC3F29
RGB	rgb(172, 63, 41)
HSL	hsl(10, 62%, 42%)
HSV	hsv(10, 76%, 67%)
CMYK	cmyk(0%, 63.4%, 76.2%, 32.5%)
CIE-LAB	lab(41.98, 43.42, 36.39)
CIE-LCH	lch(41.98, 56.65, 39.97°)
OKLab	oklab(51.64% 0.1234 0.0809)
OKLCH	oklch(51.64% 0.148 33.3)
XYZ	xyz(19.1931, 12.4885, 3.4973)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3F29 #2996AC

analogous

#AC2955 #AC3F29 #AC8129

triadic

#AC3F29 #29AC3F #3F29AC

tetradic

#AC3F29 #55AC29 #2996AC #8129AC

square

#AC3F29 #55AC29 #2996AC #8129AC

split-complementary

#AC3F29 #29AC81 #2955AC

monochromatic

#491B11 #7B2D1D #AC3F29 #D25941 #DD8472

Accessibility & contrast

On white

6.00

#AC3F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#AC3F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F29

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3F29	#FFFFFF	#000000	##FFFFFF
##AC3F29	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5426

Deuteranopia (green-blind)

#786C25

Tritanopia (blue-blind)

#BD233B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3f29;
/* rgb */ color: rgb(172, 63, 41);
/* oklch */ color: oklch(51.6% 0.148 33.3);

Tailwind

colors: {
  custom: {
    50: '#cc7964',
    500: '#ac3f29',
    950: '#000000',
  },
}

SCSS

$custom: #ac3f29;
$custom-light: #cc7964;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3f29",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 10.076,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51636,
    "c": 0.14752,
    "h": 33.3
  },
  "luminance": 0.12486
}

Semantic roles & 50–950 ramp

primary

#AC3F29

secondary

#6CB6C5

accent

#C9E543

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3F29

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

Preview Lab → · Contrast checker → · Palette generator →