#A33D3F#A33D3F

#A33D3F is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.135 H 22.2°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A33D3F
RGB	rgb(163, 61, 63)
HSL	hsl(359, 46%, 44%)
HSV	hsv(359, 63%, 64%)
CMYK	cmyk(0%, 62.6%, 61.3%, 36.1%)
CIE-LAB	lab(40.39, 42.33, 21.16)
CIE-LCH	lch(40.39, 47.33, 26.56°)
OKLab	oklab(50.24% 0.1253 0.0512)
OKLCH	oklch(50.24% 0.135 22.2)
XYZ	xyz(17.6718, 11.4852, 5.9880)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D3F #3DA3A1

analogous

#A33D72 #A33D3F #A36E3D

triadic

#A33D3F #3FA33D #3D3FA3

tetradic

#A33D3F #72A33D #3DA3A1 #6E3DA3

square

#A33D3F #72A33D #3DA3A1 #6E3DA3

split-complementary

#A33D3F #3DA36E #3D72A3

monochromatic

#4A1C1D #762C2E #A33D3F #C25B5D #D28889

Accessibility & contrast

On white

6.37

#A33D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A33D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D3F

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D3F	#FFFFFF	#000000	##FFFFFF
##A33D3F	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523E

Deuteranopia (green-blind)

#70673C

Tritanopia (blue-blind)

#B2293F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d3f;
/* rgb */ color: rgb(163, 61, 63);
/* oklch */ color: oklch(50.2% 0.135 22.2);

Tailwind

colors: {
  custom: {
    50: '#c47774',
    500: '#a33d3f',
    950: '#000000',
  },
}

SCSS

$custom: #a33d3f;
$custom-light: #c47774;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d3f",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 358.824,
    "s": 45.536,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50239,
    "c": 0.13539,
    "h": 22.2
  },
  "luminance": 0.11483
}

Semantic roles & 50–950 ramp

primary

#A33D3F

secondary

#7FBDBC

accent

#D5D353

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33D3F

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

Preview Lab → · Contrast checker → · Palette generator →