#A33741#A33741

#A33741 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.142 H 18.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A33741
RGB	rgb(163, 55, 65)
HSL	hsl(354, 50%, 43%)
HSV	hsv(354, 66%, 64%)
CMYK	cmyk(0%, 66.3%, 60.1%, 36.1%)
CIE-LAB	lab(39.42, 45.18, 18.66)
CIE-LCH	lch(39.42, 48.88, 22.44°)
OKLab	oklab(49.53% 0.1347 0.0456)
OKLCH	oklch(49.53% 0.142 18.7)
XYZ	xyz(17.4262, 10.9029, 6.1868)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33741 #37A399

analogous

#A33777 #A33741 #A36337

triadic

#A33741 #41A337 #3741A3

tetradic

#A33741 #77A337 #37A399 #6337A3

square

#A33741 #77A337 #37A399 #6337A3

split-complementary

#A33741 #37A363 #3777A3

monochromatic

#47181D #75282F #A33741 #C5525D #D48088

Accessibility & contrast

On white

6.60

#A33741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A33741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33741

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33741	#FFFFFF	#000000	##FFFFFF
##A33741	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)

#524F41

Deuteranopia (green-blind)

#6E653E

Tritanopia (blue-blind)

#B2203B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33741;
/* rgb */ color: rgb(163, 55, 65);
/* oklch */ color: oklch(49.5% 0.142 18.7);

Tailwind

colors: {
  custom: {
    50: '#c47475',
    500: '#a33741',
    950: '#000000',
  },
}

SCSS

$custom: #a33741;
$custom-light: #c47475;
$custom-dark: #000000;

JSON

{
  "hex": "#a33741",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 354.444,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49525,
    "c": 0.14223,
    "h": 18.7
  },
  "luminance": 0.10901
}

Semantic roles & 50–950 ramp

primary

#A33741

secondary

#78BEB7

accent

#D9CC4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33741

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

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