#AC2A20#AC2A20

#AC2A20 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 29.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A20
RGB	rgb(172, 42, 32)
HSL	hsl(4, 69%, 40%)
HSV	hsv(4, 81%, 67%)
CMYK	cmyk(0%, 75.6%, 81.4%, 32.5%)
CIE-LAB	lab(38.78, 51.55, 38.02)
CIE-LCH	lch(38.78, 64.05, 36.41°)
OKLab	oklab(49.21% 0.1469 0.0818)
OKLCH	oklch(49.21% 0.168 29.1)
XYZ	xyz(18.1041, 10.5337, 2.4462)
Luminance	0.1053 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A20 #20A2AC

analogous

#AC205C #AC2A20 #AC7020

triadic

#AC2A20 #20AC2A #2A20AC

tetradic

#AC2A20 #5CAC20 #20A2AC #7020AC

square

#AC2A20 #5CAC20 #20A2AC #7020AC

split-complementary

#AC2A20 #20AC70 #205CAC

monochromatic

#45110D #781D16 #AC2A20 #D93D31 #E26D64

Accessibility & contrast

On white

6.76

#AC2A20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AC2A20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A20

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A20	#FFFFFF	#000000	##FFFFFF
##AC2A20	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491D

Deuteranopia (green-blind)

#72661A

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a20;
/* rgb */ color: rgb(172, 42, 32);
/* oklch */ color: oklch(49.2% 0.168 29.1);

Tailwind

colors: {
  custom: {
    50: '#ce6e5d',
    500: '#ac2a20',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a20;
$custom-light: #ce6e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a20",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 32
  },
  "hsl": {
    "h": 4.286,
    "s": 68.627,
    "l": 40
  },
  "oklch": {
    "l": 0.4921,
    "c": 0.16813,
    "h": 29.1
  },
  "luminance": 0.10531
}

Semantic roles & 50–950 ramp

primary

#AC2A20

secondary

#60C0C7

accent

#DFEB3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2A20

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

Preview Lab → · Contrast checker → · Palette generator →