#AC2B23#AC2B23

#AC2B23 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.167 H 28.4°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B23
RGB	rgb(172, 43, 35)
HSL	hsl(4, 66%, 41%)
HSV	hsv(4, 80%, 67%)
CMYK	cmyk(0%, 75%, 79.7%, 32.5%)
CIE-LAB	lab(38.94, 51.30, 36.52)
CIE-LCH	lch(38.94, 62.97, 35.45°)
OKLab	oklab(49.33% 0.1468 0.0795)
OKLCH	oklch(49.33% 0.167 28.4)
XYZ	xyz(18.1827, 10.6226, 2.6828)
Luminance	0.1062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B23 #23A4AC

analogous

#AC235F #AC2B23 #AC7023

triadic

#AC2B23 #23AC2B #2B23AC

tetradic

#AC2B23 #5FAC23 #23A4AC #7023AC

square

#AC2B23 #5FAC23 #23A4AC #7023AC

split-complementary

#AC2B23 #23AC70 #235FAC

monochromatic

#46120E #791E19 #AC2B23 #D63F36 #E07069

Accessibility & contrast

On white

6.72

#AC2B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AC2B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B23

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B23	#FFFFFF	#000000	##FFFFFF
##AC2B23	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A21

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#BE002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b23;
/* rgb */ color: rgb(172, 43, 35);
/* oklch */ color: oklch(49.3% 0.167 28.4);

Tailwind

colors: {
  custom: {
    50: '#ce6f5f',
    500: '#ac2b23',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b23;
$custom-light: #ce6f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b23",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.504,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49333,
    "c": 0.16689,
    "h": 28.4
  },
  "luminance": 0.1062
}

Semantic roles & 50–950 ramp

primary

#AC2B23

secondary

#64C1C6

accent

#DFE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2B23

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

Preview Lab → · Contrast checker → · Palette generator →