#AC2A23#AC2A23

#AC2A23 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 28.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A23
RGB	rgb(172, 42, 35)
HSL	hsl(3, 66%, 41%)
HSV	hsv(3, 80%, 67%)
CMYK	cmyk(0%, 75.6%, 79.7%, 32.5%)
CIE-LAB	lab(38.81, 51.65, 36.40)
CIE-LCH	lch(38.81, 63.18, 35.17°)
OKLab	oklab(49.24% 0.1478 0.0792)
OKLCH	oklch(49.24% 0.168 28.2)
XYZ	xyz(18.1468, 10.5508, 2.6708)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A23 #23A5AC

analogous

#AC2360 #AC2A23 #AC6F23

triadic

#AC2A23 #23AC2A #2A23AC

tetradic

#AC2A23 #60AC23 #23A5AC #6F23AC

square

#AC2A23 #60AC23 #23A5AC #6F23AC

split-complementary

#AC2A23 #23AC6F #2360AC

monochromatic

#46110E #791E19 #AC2A23 #D63E36 #E06F69

Accessibility & contrast

On white

6.75

#AC2A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AC2A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A23

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A23	#FFFFFF	#000000	##FFFFFF
##AC2A23	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524921

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a23;
/* rgb */ color: rgb(172, 42, 35);
/* oklch */ color: oklch(49.2% 0.168 28.2);

Tailwind

colors: {
  custom: {
    50: '#ce6e5f',
    500: '#ac2a23',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a23;
$custom-light: #ce6e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a23",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 3.066,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49241,
    "c": 0.16772,
    "h": 28.2
  },
  "luminance": 0.10548
}

Semantic roles & 50–950 ramp

primary

#AC2A23

secondary

#64C1C6

accent

#E0E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2A23

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

Preview Lab → · Contrast checker → · Palette generator →