#AC3B23#AC3B23

#AC3B23 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.153 H 33.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AC3B23
RGB	rgb(172, 59, 35)
HSL	hsl(11, 66%, 41%)
HSV	hsv(11, 80%, 67%)
CMYK	cmyk(0%, 65.7%, 79.7%, 32.5%)
CIE-LAB	lab(41.25, 44.97, 38.87)
CIE-LCH	lch(41.25, 59.45, 40.84°)
OKLab	oklab(51.07% 0.127 0.0846)
OKLCH	oklch(51.07% 0.153 33.7)
XYZ	xyz(18.8827, 12.0227, 2.9161)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3B23 #2394AC

analogous

#AC234F #AC3B23 #AC7F23

triadic

#AC3B23 #23AC3B #3B23AC

tetradic

#AC3B23 #4FAC23 #2394AC #7F23AC

square

#AC3B23 #4FAC23 #2394AC #7F23AC

split-complementary

#AC3B23 #23AC7F #234FAC

monochromatic

#46180E #792A19 #AC3B23 #D65236 #E07E69

Accessibility & contrast

On white

6.17

#AC3B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AC3B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3B23

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3B23	#FFFFFF	#000000	##FFFFFF
##AC3B23	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511F

Deuteranopia (green-blind)

#776B1E

Tritanopia (blue-blind)

#BD1B36

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3b23;
/* rgb */ color: rgb(172, 59, 35);
/* oklch */ color: oklch(51.1% 0.153 33.7);

Tailwind

colors: {
  custom: {
    50: '#cd7760',
    500: '#ac3b23',
    950: '#000000',
  },
}

SCSS

$custom: #ac3b23;
$custom-light: #cd7760;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3b23",
  "rgb": {
    "r": 172,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 10.511,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.15261,
    "h": 33.7
  },
  "luminance": 0.1202
}

Semantic roles & 50–950 ramp

primary

#AC3B23

secondary

#64B5C6

accent

#CBE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3B23

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

Preview Lab → · Contrast checker → · Palette generator →