#AC2A1F#AC2A1F

#AC2A1F is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 29.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A1F
RGB	rgb(172, 42, 31)
HSL	hsl(5, 69%, 40%)
HSV	hsv(5, 82%, 67%)
CMYK	cmyk(0%, 75.6%, 82%, 32.5%)
CIE-LAB	lab(38.77, 51.52, 38.55)
CIE-LCH	lch(38.77, 64.34, 36.81°)
OKLab	oklab(49.2% 0.1466 0.0826)
OKLCH	oklch(49.2% 0.168 29.4)
XYZ	xyz(18.0907, 10.5284, 2.3757)
Luminance	0.1053 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A1F #1FA1AC

analogous

#AC1F5A #AC2A1F #AC711F

triadic

#AC2A1F #1FAC2A #2A1FAC

tetradic

#AC2A1F #5AAC1F #1FA1AC #711FAC

square

#AC2A1F #5AAC1F #1FA1AC #711FAC

split-complementary

#AC2A1F #1FAC71 #1F5AAC

monochromatic

#44110C #781D16 #AC2A1F #D93C2F #E36D63

Accessibility & contrast

On white

6.76

#AC2A1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AC2A1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A1F

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A1F	#FFFFFF	#000000	##FFFFFF
##AC2A1F	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#726618

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a1f;
/* rgb */ color: rgb(172, 42, 31);
/* oklch */ color: oklch(49.2% 0.168 29.4);

Tailwind

colors: {
  custom: {
    50: '#ce6e5c',
    500: '#ac2a1f',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a1f;
$custom-light: #ce6e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a1f",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 31
  },
  "hsl": {
    "h": 4.681,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.492,
    "c": 0.16828,
    "h": 29.4
  },
  "luminance": 0.10526
}

Semantic roles & 50–950 ramp

primary

#AC2A1F

secondary

#5FC0C8

accent

#DEEC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AC2A1F

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

Preview Lab → · Contrast checker → · Palette generator →