#A33B4B#A33B4B

#A33B4B is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.137 H 14.4°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A33B4B
RGB	rgb(163, 59, 75)
HSL	hsl(351, 47%, 44%)
HSV	hsv(351, 64%, 64%)
CMYK	cmyk(0%, 63.8%, 54%, 36.1%)
CIE-LAB	lab(40.29, 44.20, 13.57)
CIE-LCH	lch(40.29, 46.23, 17.07°)
OKLab	oklab(50.24% 0.1332 0.0341)
OKLCH	oklch(50.24% 0.137 14.4)
XYZ	xyz(17.9397, 11.4247, 7.9157)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B4B #3BA393

analogous

#A33B7F #A33B4B #A35F3B

triadic

#A33B4B #4BA33B #3B4BA3

tetradic

#A33B4B #7FA33B #3BA393 #5F3BA3

square

#A33B4B #7FA33B #3BA393 #5F3BA3

split-complementary

#A33B4B #3BA35F #3B7FA3

monochromatic

#491A22 #762B36 #A33B4B #C35869 #D38591

Accessibility & contrast

On white

6.39

#A33B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B4B

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B4B	#FFFFFF	#000000	##FFFFFF
##A33B4B	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514B

Deuteranopia (green-blind)

#6E6749

Tritanopia (blue-blind)

#B22941

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33b4b;
/* rgb */ color: rgb(163, 59, 75);
/* oklch */ color: oklch(50.2% 0.137 14.4);

Tailwind

colors: {
  custom: {
    50: '#c3767d',
    500: '#a33b4b',
    950: '#000000',
  },
}

SCSS

$custom: #a33b4b;
$custom-light: #c3767d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b4b",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 350.769,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50244,
    "c": 0.13745,
    "h": 14.4
  },
  "luminance": 0.11422
}

Semantic roles & 50–950 ramp

primary

#A33B4B

secondary

#7DBDB3

accent

#D6C251

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#130909

muted

#827B7B

Preview Lab

Preview with #A33B4B

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

Preview Lab → · Contrast checker → · Palette generator →