#AC2928#AC2928

#AC2928 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 26.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#AC2928
RGB	rgb(172, 41, 40)
HSL	hsl(0, 62%, 42%)
HSV	hsv(0, 77%, 67%)
CMYK	cmyk(0%, 76.2%, 76.7%, 32.5%)
CIE-LAB	lab(38.75, 52.17, 33.46)
CIE-LCH	lch(38.75, 61.98, 32.68°)
OKLab	oklab(49.21% 0.1505 0.0743)
OKLCH	oklch(49.21% 0.168 26.3)
XYZ	xyz(18.1913, 10.5126, 3.0784)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2928 #28ABAC

analogous

#AC2869 #AC2928 #AC6B28

triadic

#AC2928 #28AC29 #2928AC

tetradic

#AC2928 #69AC28 #28ABAC #6B28AC

square

#AC2928 #69AC28 #28ABAC #6B28AC

split-complementary

#AC2928 #28AC6B #2869AC

monochromatic

#491111 #7A1D1C #AC2928 #D2403F #DE7171

Accessibility & contrast

On white

6.77

#AC2928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AC2928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2928

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2928	#FFFFFF	#000000	##FFFFFF
##AC2928	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514926

Deuteranopia (green-blind)

#716523

Tritanopia (blue-blind)

#BE002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2928;
/* rgb */ color: rgb(172, 41, 40);
/* oklch */ color: oklch(49.2% 0.168 26.3);

Tailwind

colors: {
  custom: {
    50: '#cd6e62',
    500: '#ac2928',
    950: '#000000',
  },
}

SCSS

$custom: #ac2928;
$custom-light: #cd6e62;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2928",
  "rgb": {
    "r": 172,
    "g": 41,
    "b": 40
  },
  "hsl": {
    "h": 0.455,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49209,
    "c": 0.16787,
    "h": 26.3
  },
  "luminance": 0.1051
}

Semantic roles & 50–950 ramp

primary

#AC2928

secondary

#6BC4C5

accent

#E4E542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2928

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

Preview Lab → · Contrast checker → · Palette generator →