#A4212A#A4212A

#A4212A is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.1% C 0.166 H 23.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#A4212A
RGB	rgb(164, 33, 42)
HSL	hsl(356, 66%, 39%)
HSV	hsv(356, 80%, 64%)
CMYK	cmyk(0%, 79.9%, 74.4%, 35.7%)
CIE-LAB	lab(36.27, 52.33, 29.06)
CIE-LCH	lch(36.27, 59.86, 29.04°)
OKLab	oklab(47.09% 0.1525 0.0657)
OKLCH	oklch(47.09% 0.166 23.3)
XYZ	xyz(16.2735, 9.1500, 3.0993)
Luminance	0.0915 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4212A #21A49B

analogous

#A4216B #A4212A #A45921

triadic

#A4212A #2AA421 #212AA4

tetradic

#A4212A #6BA421 #21A49B #5921A4

square

#A4212A #6BA421 #21A49B #5921A4

split-complementary

#A4212A #21A459 #216BA4

monochromatic

#3E0C10 #71171D #A4212A #D52D39 #DF6069

Accessibility & contrast

On white

7.42

#A4212A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#A4212A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4212A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4212A	#FFFFFF	#000000	##FFFFFF
##A4212A	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4329

Deuteranopia (green-blind)

#6A5F25

Tritanopia (blue-blind)

#B50026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a4212a;
/* rgb */ color: rgb(164, 33, 42);
/* oklch */ color: oklch(47.1% 0.166 23.3);

Tailwind

colors: {
  custom: {
    50: '#c76963',
    500: '#a4212a',
    950: '#000000',
  },
}

SCSS

$custom: #a4212a;
$custom-light: #c76963;
$custom-dark: #000000;

JSON

{
  "hex": "#a4212a",
  "rgb": {
    "r": 164,
    "g": 33,
    "b": 42
  },
  "hsl": {
    "h": 355.878,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47092,
    "c": 0.16609,
    "h": 23.3
  },
  "luminance": 0.09147
}

Semantic roles & 50–950 ramp

primary

#A4212A

secondary

#5DC4BD

accent

#E9DE3E

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A4212A

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

Preview Lab → · Contrast checker → · Palette generator →