#AC3A23#AC3A23

#AC3A23 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.9% C 0.154 H 33.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A23
RGB	rgb(172, 58, 35)
HSL	hsl(10, 66%, 41%)
HSV	hsv(10, 80%, 67%)
CMYK	cmyk(0%, 66.3%, 79.7%, 32.5%)
CIE-LAB	lab(41.09, 45.41, 38.71)
CIE-LCH	lch(41.09, 59.67, 40.45°)
OKLab	oklab(50.94% 0.1284 0.0843)
OKLCH	oklch(50.94% 0.154 33.3)
XYZ	xyz(18.8318, 11.9209, 2.8991)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A23 #2395AC

analogous

#AC2350 #AC3A23 #AC7E23

triadic

#AC3A23 #23AC3A #3A23AC

tetradic

#AC3A23 #50AC23 #2395AC #7E23AC

square

#AC3A23 #50AC23 #2395AC #7E23AC

split-complementary

#AC3A23 #23AC7E #2350AC

monochromatic

#46180E #792919 #AC3A23 #D65136 #E07D69

Accessibility & contrast

On white

6.21

#AC3A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AC3A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A23

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A23	#FFFFFF	#000000	##FFFFFF
##AC3A23	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511F

Deuteranopia (green-blind)

#776A1E

Tritanopia (blue-blind)

#BD1936

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3a23;
/* rgb */ color: rgb(172, 58, 35);
/* oklch */ color: oklch(50.9% 0.154 33.3);

Tailwind

colors: {
  custom: {
    50: '#cd7660',
    500: '#ac3a23',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a23;
$custom-light: #cd7660;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a23",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 10.073,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50945,
    "c": 0.15356,
    "h": 33.3
  },
  "luminance": 0.11918
}

Semantic roles & 50–950 ramp

primary

#AC3A23

secondary

#64B6C6

accent

#CDE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3A23

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

Preview Lab → · Contrast checker → · Palette generator →