#A33D35#A33D35

#A33D35 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.137 H 27.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#A33D35
RGB	rgb(163, 61, 53)
HSL	hsl(4, 51%, 42%)
HSV	hsv(4, 67%, 64%)
CMYK	cmyk(0%, 62.6%, 67.5%, 36.1%)
CIE-LAB	lab(40.22, 41.68, 27.03)
CIE-LCH	lch(40.22, 49.68, 32.97°)
OKLab	oklab(50.06% 0.1214 0.0633)
OKLCH	oklch(50.06% 0.137 27.5)
XYZ	xyz(17.4173, 11.3834, 4.6475)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D35 #359BA3

analogous

#A33564 #A33D35 #A37435

triadic

#A33D35 #35A33D #3D35A3

tetradic

#A33D35 #64A335 #359BA3 #7435A3

square

#A33D35 #64A335 #359BA3 #7435A3

split-complementary

#A33D35 #35A374 #3564A3

monochromatic

#471A17 #752C26 #A33D35 #C6584F #D5847E

Accessibility & contrast

On white

6.41

#A33D35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33D35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D35

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D35	#FFFFFF	#000000	##FFFFFF
##A33D35	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585134

Deuteranopia (green-blind)

#716732

Tritanopia (blue-blind)

#B3273C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d35;
/* rgb */ color: rgb(163, 61, 53);
/* oklch */ color: oklch(50.1% 0.137 27.5);

Tailwind

colors: {
  custom: {
    50: '#c5776c',
    500: '#a33d35',
    950: '#000000',
  },
}

SCSS

$custom: #a33d35;
$custom-light: #c5776c;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d35",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 53
  },
  "hsl": {
    "h": 4.364,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50059,
    "c": 0.13687,
    "h": 27.5
  },
  "luminance": 0.11381
}

Semantic roles & 50–950 ramp

primary

#A33D35

secondary

#76B9BE

accent

#D0DA4D

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140907

muted

#827B7A

Preview Lab

Preview with #A33D35

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

Preview Lab → · Contrast checker → · Palette generator →