#AC2A1C#AC2A1C

#AC2A1C is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.169 H 30.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A1C
RGB	rgb(172, 42, 28)
HSL	hsl(6, 72%, 39%)
HSV	hsv(6, 84%, 67%)
CMYK	cmyk(0%, 75.6%, 83.7%, 32.5%)
CIE-LAB	lab(38.75, 51.43, 40.11)
CIE-LCH	lch(38.75, 65.22, 37.95°)
OKLab	oklab(49.17% 0.1458 0.0849)
OKLCH	oklch(49.17% 0.169 30.2)
XYZ	xyz(18.0530, 10.5133, 2.1771)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A1C #1C9EAC

analogous

#AC1C56 #AC2A1C #AC721C

triadic

#AC2A1C #1CAC2A #2A1CAC

tetradic

#AC2A1C #56AC1C #1C9EAC #721CAC

square

#AC2A1C #56AC1C #1C9EAC #721CAC

split-complementary

#AC2A1C #1CAC72 #1C56AC

monochromatic

#43100B #771D13 #AC2A1C #DC3A29 #E56B5E

Accessibility & contrast

On white

6.77

#AC2A1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AC2A1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A1C

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A1C	#FFFFFF	#000000	##FFFFFF
##AC2A1C	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)

#524919

Deuteranopia (green-blind)

#726615

Tritanopia (blue-blind)

#BE0028

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a1c;
/* rgb */ color: rgb(172, 42, 28);
/* oklch */ color: oklch(49.2% 0.169 30.2);

Tailwind

colors: {
  custom: {
    50: '#ce6e5a',
    500: '#ac2a1c',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a1c;
$custom-light: #ce6e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a1c",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 28
  },
  "hsl": {
    "h": 5.833,
    "s": 72,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49172,
    "c": 0.1687,
    "h": 30.2
  },
  "luminance": 0.1051
}

Semantic roles & 50–950 ramp

primary

#AC2A1C

secondary

#5BBEC9

accent

#DDEF39

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AC2A1C

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

Preview Lab → · Contrast checker → · Palette generator →