#A33640#A33640

#A33640 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.143 H 18.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A33640
RGB	rgb(163, 54, 64)
HSL	hsl(354, 50%, 43%)
HSV	hsv(354, 67%, 64%)
CMYK	cmyk(0%, 66.9%, 60.7%, 36.1%)
CIE-LAB	lab(39.24, 45.54, 19.04)
CIE-LCH	lch(39.24, 49.37, 22.69°)
OKLab	oklab(49.38% 0.1357 0.0464)
OKLCH	oklch(49.38% 0.143 18.9)
XYZ	xyz(17.3505, 10.7974, 6.0200)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33640 #36A399

analogous

#A33677 #A33640 #A36236

triadic

#A33640 #40A336 #3640A3

tetradic

#A33640 #77A336 #36A399 #6236A3

square

#A33640 #77A336 #36A399 #6236A3

split-complementary

#A33640 #36A362 #3677A3

monochromatic

#47181C #75272E #A33640 #C5515C #D57F87

Accessibility & contrast

On white

6.65

#A33640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A33640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33640

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33640	#FFFFFF	#000000	##FFFFFF
##A33640	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#6E653D

Tritanopia (blue-blind)

#B21E3A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33640;
/* rgb */ color: rgb(163, 54, 64);
/* oklch */ color: oklch(49.4% 0.143 18.9);

Tailwind

colors: {
  custom: {
    50: '#c47374',
    500: '#a33640',
    950: '#000000',
  },
}

SCSS

$custom: #a33640;
$custom-light: #c47374;
$custom-dark: #000000;

JSON

{
  "hex": "#a33640",
  "rgb": {
    "r": 163,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 354.495,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49384,
    "c": 0.14341,
    "h": 18.9
  },
  "luminance": 0.10795
}

Semantic roles & 50–950 ramp

primary

#A33640

secondary

#77BEB7

accent

#DACD4E

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A33640

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

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