#AC2B33#AC2B33

#AC2B33 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.165 H 22.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B33
RGB	rgb(172, 43, 51)
HSL	hsl(356, 60%, 42%)
HSV	hsv(356, 75%, 67%)
CMYK	cmyk(0%, 75%, 70.3%, 32.5%)
CIE-LAB	lab(39.14, 51.97, 27.32)
CIE-LCH	lch(39.14, 58.72, 27.73°)
OKLab	oklab(49.55% 0.1524 0.0632)
OKLCH	oklch(49.55% 0.165 22.5)
XYZ	xyz(18.4767, 10.7402, 4.2315)
Luminance	0.1074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B33 #2BACA4

analogous

#AC2B74 #AC2B33 #AC642B

triadic

#AC2B33 #33AC2B #2B33AC

tetradic

#AC2B33 #74AC2B #2BACA4 #642BAC

square

#AC2B33 #74AC2B #2BACA4 #642BAC

split-complementary

#AC2B33 #2BAC64 #2B74AC

monochromatic

#4A1316 #7B1F24 #AC2B33 #D0444D #DC757B

Accessibility & contrast

On white

6.67

#AC2B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AC2B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B33

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B33	#FFFFFF	#000000	##FFFFFF
##AC2B33	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B32

Deuteranopia (green-blind)

#71662F

Tritanopia (blue-blind)

#BD002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b33;
/* rgb */ color: rgb(172, 43, 51);
/* oklch */ color: oklch(49.5% 0.165 22.5);

Tailwind

colors: {
  custom: {
    50: '#cd6f6a',
    500: '#ac2b33',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b33;
$custom-light: #cd6f6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b33",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 51
  },
  "hsl": {
    "h": 356.279,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49548,
    "c": 0.16495,
    "h": 22.5
  },
  "luminance": 0.10737
}

Semantic roles & 50–950 ramp

primary

#AC2B33

secondary

#6FC4BF

accent

#E3D945

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AC2B33

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

Preview Lab → · Contrast checker → · Palette generator →