#A42131#A42131

#A42131 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.166 H 20.4°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#A42131
RGB	rgb(164, 33, 49)
HSL	hsl(353, 66%, 39%)
HSV	hsv(353, 80%, 64%)
CMYK	cmyk(0%, 79.9%, 70.1%, 35.7%)
CIE-LAB	lab(36.38, 52.66, 24.84)
CIE-LCH	lch(36.38, 58.23, 25.25°)
OKLab	oklab(47.2% 0.1552 0.0578)
OKLCH	oklch(47.2% 0.166 20.4)
XYZ	xyz(16.4099, 9.2045, 3.8177)
Luminance	0.0920 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42131 #21A494

analogous

#A42172 #A42131 #A45221

triadic

#A42131 #31A421 #2131A4

tetradic

#A42131 #72A421 #21A494 #5221A4

square

#A42131 #72A421 #21A494 #5221A4

split-complementary

#A42131 #21A452 #2172A4

monochromatic

#3E0C13 #711722 #A42131 #D52D42 #DF6070

Accessibility & contrast

On white

7.39

#A42131 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A42131 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42131

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42131	#FFFFFF	#000000	##FFFFFF
##A42131	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494431

Deuteranopia (green-blind)

#695F2D

Tritanopia (blue-blind)

#B50028

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42131;
/* rgb */ color: rgb(164, 33, 49);
/* oklch */ color: oklch(47.2% 0.166 20.4);

Tailwind

colors: {
  custom: {
    50: '#c76a69',
    500: '#a42131',
    950: '#000000',
  },
}

SCSS

$custom: #a42131;
$custom-light: #c76a69;
$custom-dark: #000000;

JSON

{
  "hex": "#a42131",
  "rgb": {
    "r": 164,
    "g": 33,
    "b": 49
  },
  "hsl": {
    "h": 352.672,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47202,
    "c": 0.16558,
    "h": 20.4
  },
  "luminance": 0.09202
}

Semantic roles & 50–950 ramp

primary

#A42131

secondary

#5DC4B7

accent

#E9D53E

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A42131

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

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