#AC2A1E#AC2A1E

#AC2A1E is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 29.7°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#AC2A1E
RGB	rgb(172, 42, 30)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 83%, 67%)
CMYK	cmyk(0%, 75.6%, 82.6%, 32.5%)
CIE-LAB	lab(38.77, 51.49, 39.08)
CIE-LCH	lch(38.77, 64.64, 37.20°)
OKLab	oklab(49.19% 0.1463 0.0833)
OKLCH	oklch(49.19% 0.168 29.7)
XYZ	xyz(18.0778, 10.5232, 2.3074)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2A1E #1EA0AC

analogous

#AC1E59 #AC2A1E #AC711E

triadic

#AC2A1E #1EAC2A #2A1EAC

tetradic

#AC2A1E #59AC1E #1EA0AC #711EAC

square

#AC2A1E #59AC1E #1EA0AC #711EAC

split-complementary

#AC2A1E #1EAC71 #1E59AC

monochromatic

#44110C #781D15 #AC2A1E #DA3C2D #E36C61

Accessibility & contrast

On white

6.77

#AC2A1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AC2A1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2A1E

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2A1E	#FFFFFF	#000000	##FFFFFF
##AC2A1E	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)

#52491B

Deuteranopia (green-blind)

#726617

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2a1e;
/* rgb */ color: rgb(172, 42, 30);
/* oklch */ color: oklch(49.2% 0.168 29.7);

Tailwind

colors: {
  custom: {
    50: '#ce6e5b',
    500: '#ac2a1e',
    950: '#000000',
  },
}

SCSS

$custom: #ac2a1e;
$custom-light: #ce6e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2a1e",
  "rgb": {
    "r": 172,
    "g": 42,
    "b": 30
  },
  "hsl": {
    "h": 5.07,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4919,
    "c": 0.16841,
    "h": 29.7
  },
  "luminance": 0.1052
}

Semantic roles & 50–950 ramp

primary

#AC2A1E

secondary

#5EBFC8

accent

#DEED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AC2A1E

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

Preview Lab → · Contrast checker → · Palette generator →