#A33C35#A33C35

#A33C35 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.138 H 27.1°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A33C35
RGB	rgb(163, 60, 53)
HSL	hsl(4, 51%, 42%)
HSV	hsv(4, 67%, 64%)
CMYK	cmyk(0%, 63.2%, 67.5%, 36.1%)
CIE-LAB	lab(40.04, 42.14, 26.82)
CIE-LCH	lch(40.04, 49.95, 32.47°)
OKLab	oklab(49.93% 0.1228 0.0628)
OKLCH	oklch(49.93% 0.138 27.1)
XYZ	xyz(17.3645, 11.2777, 4.6299)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C35 #359CA3

analogous

#A33565 #A33C35 #A37335

triadic

#A33C35 #35A33C #3C35A3

tetradic

#A33C35 #65A335 #359CA3 #7335A3

square

#A33C35 #65A335 #359CA3 #7335A3

split-complementary

#A33C35 #35A373 #3565A3

monochromatic

#471A17 #752B26 #A33C35 #C6574F #D5837E

Accessibility & contrast

On white

6.45

#A33C35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A33C35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C35

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C35	#FFFFFF	#000000	##FFFFFF
##A33C35	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575034

Deuteranopia (green-blind)

#716732

Tritanopia (blue-blind)

#B3253B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c35;
/* rgb */ color: rgb(163, 60, 53);
/* oklch */ color: oklch(49.9% 0.138 27.1);

Tailwind

colors: {
  custom: {
    50: '#c5766c',
    500: '#a33c35',
    950: '#000000',
  },
}

SCSS

$custom: #a33c35;
$custom-light: #c5766c;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c35",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 53
  },
  "hsl": {
    "h": 3.818,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49928,
    "c": 0.13795,
    "h": 27.1
  },
  "luminance": 0.11275
}

Semantic roles & 50–950 ramp

primary

#A33C35

secondary

#76B9BE

accent

#D1DA4D

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140907

muted

#827B7A

Preview Lab

Preview with #A33C35

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

Preview Lab → · Contrast checker → · Palette generator →