#A4213B#A4213B

#A4213B is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.165 H 15.9°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#A4213B
RGB	rgb(164, 33, 59)
HSL	hsl(348, 66%, 39%)
HSV	hsv(348, 80%, 64%)
CMYK	cmyk(0%, 79.9%, 64%, 35.7%)
CIE-LAB	lab(36.55, 53.22, 18.73)
CIE-LCH	lch(36.55, 56.42, 19.39°)
OKLab	oklab(47.39% 0.1592 0.0452)
OKLCH	oklch(47.39% 0.165 15.9)
XYZ	xyz(16.6449, 9.2985, 5.0552)
Luminance	0.0930 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4213B #21A48A

analogous

#A4217C #A4213B #A44921

triadic

#A4213B #3BA421 #213BA4

tetradic

#A4213B #7CA421 #21A48A #4921A4

square

#A4213B #7CA421 #21A48A #4921A4

split-complementary

#A4213B #21A449 #217CA4

monochromatic

#3E0C16 #711729 #A4213B #D52D4F #DF6079

Accessibility & contrast

On white

7.34

#A4213B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A4213B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4213B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4213B	#FFFFFF	#000000	##FFFFFF
##A4213B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453B

Deuteranopia (green-blind)

#686037

Tritanopia (blue-blind)

#B4002C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a4213b;
/* rgb */ color: rgb(164, 33, 59);
/* oklch */ color: oklch(47.4% 0.165 15.9);

Tailwind

colors: {
  custom: {
    50: '#c66a70',
    500: '#a4213b',
    950: '#000000',
  },
}

SCSS

$custom: #a4213b;
$custom-light: #c66a70;
$custom-dark: #000000;

JSON

{
  "hex": "#a4213b",
  "rgb": {
    "r": 164,
    "g": 33,
    "b": 59
  },
  "hsl": {
    "h": 348.092,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47391,
    "c": 0.16545,
    "h": 15.9
  },
  "luminance": 0.09296
}

Semantic roles & 50–950 ramp

primary

#A4213B

secondary

#5DC4AF

accent

#E9C73E

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A4213B

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

Preview Lab → · Contrast checker → · Palette generator →