#AC3B24#AC3B24

#AC3B24 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.152 H 33.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AC3B24
RGB	rgb(172, 59, 36)
HSL	hsl(10, 65%, 41%)
HSV	hsv(10, 79%, 67%)
CMYK	cmyk(0%, 65.7%, 79.1%, 32.5%)
CIE-LAB	lab(41.26, 45.01, 38.35)
CIE-LCH	lch(41.26, 59.13, 40.43°)
OKLab	oklab(51.08% 0.1273 0.0838)
OKLCH	oklch(51.08% 0.152 33.3)
XYZ	xyz(18.8978, 12.0287, 2.9954)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3B24 #2495AC

analogous

#AC2451 #AC3B24 #AC7F24

triadic

#AC3B24 #24AC3B #3B24AC

tetradic

#AC3B24 #51AC24 #2495AC #7F24AC

square

#AC3B24 #51AC24 #2495AC #7F24AC

split-complementary

#AC3B24 #24AC7F #2451AC

monochromatic

#47180F #792A19 #AC3B24 #D55338 #E07E6A

Accessibility & contrast

On white

6.17

#AC3B24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AC3B24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3B24

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3B24	#FFFFFF	#000000	##FFFFFF
##AC3B24	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5221

Deuteranopia (green-blind)

#776B20

Tritanopia (blue-blind)

#BD1B37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3b24;
/* rgb */ color: rgb(172, 59, 36);
/* oklch */ color: oklch(51.1% 0.152 33.3);

Tailwind

colors: {
  custom: {
    50: '#cd7760',
    500: '#ac3b24',
    950: '#000000',
  },
}

SCSS

$custom: #ac3b24;
$custom-light: #cd7760;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3b24",
  "rgb": {
    "r": 172,
    "g": 59,
    "b": 36
  },
  "hsl": {
    "h": 10.147,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51077,
    "c": 0.15241,
    "h": 33.3
  },
  "luminance": 0.12026
}

Semantic roles & 50–950 ramp

primary

#AC3B24

secondary

#66B6C6

accent

#CCE83F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3B24

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

Preview Lab → · Contrast checker → · Palette generator →