#A6221F#A6221F

#A6221F is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.169 H 27.4°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#A6221F
RGB	rgb(166, 34, 31)
HSL	hsl(1, 69%, 39%)
HSV	hsv(1, 81%, 65%)
CMYK	cmyk(0%, 79.5%, 81.3%, 34.9%)
CIE-LAB	lab(36.65, 52.23, 36.06)
CIE-LCH	lch(36.65, 63.47, 34.62°)
OKLab	oklab(47.41% 0.1495 0.0777)
OKLCH	oklch(47.41% 0.169 27.4)
XYZ	xyz(16.5473, 9.3526, 2.2300)
Luminance	0.0935 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6221F #1FA3A6

analogous

#A61F5F #A6221F #A6651F

triadic

#A6221F #1FA622 #221FA6

tetradic

#A6221F #5FA61F #1FA3A6 #651FA6

square

#A6221F #5FA61F #1FA3A6 #651FA6

split-complementary

#A6221F #1FA665 #1F5FA6

monochromatic

#3F0D0C #721715 #A6221F #D72F2B #E1615E

Accessibility & contrast

On white

7.32

#A6221F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A6221F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6221F

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6221F	#FFFFFF	#000000	##FFFFFF
##A6221F	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441D

Deuteranopia (green-blind)

#6C6019

Tritanopia (blue-blind)

#B70023

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a6221f;
/* rgb */ color: rgb(166, 34, 31);
/* oklch */ color: oklch(47.4% 0.169 27.4);

Tailwind

colors: {
  custom: {
    50: '#ca6a5c',
    500: '#a6221f',
    950: '#000000',
  },
}

SCSS

$custom: #a6221f;
$custom-light: #ca6a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6221f",
  "rgb": {
    "r": 166,
    "g": 34,
    "b": 31
  },
  "hsl": {
    "h": 1.333,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47408,
    "c": 0.16851,
    "h": 27.4
  },
  "luminance": 0.0935
}

Semantic roles & 50–950 ramp

primary

#A6221F

secondary

#5BC3C5

accent

#E7EB3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6221F

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

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