#A33742#A33742

#A33742 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.142 H 18.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A33742
RGB	rgb(163, 55, 66)
HSL	hsl(354, 50%, 43%)
HSV	hsv(354, 66%, 64%)
CMYK	cmyk(0%, 66.3%, 59.5%, 36.1%)
CIE-LAB	lab(39.44, 45.26, 18.06)
CIE-LCH	lch(39.44, 48.73, 21.75°)
OKLab	oklab(49.55% 0.1351 0.0443)
OKLCH	oklch(49.55% 0.142 18.1)
XYZ	xyz(17.4554, 10.9146, 6.3408)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33742 #37A398

analogous

#A33778 #A33742 #A36237

triadic

#A33742 #42A337 #3742A3

tetradic

#A33742 #78A337 #37A398 #6237A3

square

#A33742 #78A337 #37A398 #6237A3

split-complementary

#A33742 #37A362 #3778A3

monochromatic

#47181D #75282F #A33742 #C5525E #D48089

Accessibility & contrast

On white

6.60

#A33742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A33742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33742

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33742	#FFFFFF	#000000	##FFFFFF
##A33742	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F42

Deuteranopia (green-blind)

#6E653F

Tritanopia (blue-blind)

#B2213C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33742;
/* rgb */ color: rgb(163, 55, 66);
/* oklch */ color: oklch(49.5% 0.142 18.1);

Tailwind

colors: {
  custom: {
    50: '#c47476',
    500: '#a33742',
    950: '#000000',
  },
}

SCSS

$custom: #a33742;
$custom-light: #c47476;
$custom-dark: #000000;

JSON

{
  "hex": "#a33742",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 353.889,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49546,
    "c": 0.14219,
    "h": 18.1
  },
  "luminance": 0.10912
}

Semantic roles & 50–950 ramp

primary

#A33742

secondary

#78BEB7

accent

#D9CB4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33742

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

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