#AC3E31#AC3E31

#AC3E31 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.147 H 29.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#AC3E31
RGB	rgb(172, 62, 49)
HSL	hsl(6, 56%, 43%)
HSV	hsv(6, 72%, 67%)
CMYK	cmyk(0%, 64%, 71.5%, 32.5%)
CIE-LAB	lab(41.91, 44.24, 31.78)
CIE-LCH	lch(41.91, 54.48, 35.69°)
OKLab	oklab(51.61% 0.1275 0.0727)
OKLCH	oklch(51.61% 0.147 29.7)
XYZ	xyz(19.2923, 12.4404, 4.2905)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3E31 #319FAC

analogous

#AC3162 #AC3E31 #AC7B31

triadic

#AC3E31 #31AC3E #3E31AC

tetradic

#AC3E31 #62AC31 #319FAC #7B31AC

square

#AC3E31 #62AC31 #319FAC #7B31AC

split-complementary

#AC3E31 #31AC7B #3162AC

monochromatic

#4D1C16 #7C2D23 #AC3E31 #CC5B4E #DA877D

Accessibility & contrast

On white

6.02

#AC3E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#AC3E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3E31

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3E31	#FFFFFF	#000000	##FFFFFF
##AC3E31	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542F

Deuteranopia (green-blind)

#776C2E

Tritanopia (blue-blind)

#BD233C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3e31;
/* rgb */ color: rgb(172, 62, 49);
/* oklch */ color: oklch(51.6% 0.147 29.7);

Tailwind

colors: {
  custom: {
    50: '#cc7869',
    500: '#ac3e31',
    950: '#000000',
  },
}

SCSS

$custom: #ac3e31;
$custom-light: #cc7869;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3e31",
  "rgb": {
    "r": 172,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 6.341,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51611,
    "c": 0.14678,
    "h": 29.7
  },
  "luminance": 0.12438
}

Semantic roles & 50–950 ramp

primary

#AC3E31

secondary

#76BBC3

accent

#CFDF49

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3E31

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

Preview Lab → · Contrast checker → · Palette generator →