#A33D3E#A33D3E

#A33D3E is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.136 H 22.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A33D3E
RGB	rgb(163, 61, 62)
HSL	hsl(359, 46%, 44%)
HSV	hsv(359, 63%, 64%)
CMYK	cmyk(0%, 62.6%, 62%, 36.1%)
CIE-LAB	lab(40.37, 42.26, 21.75)
CIE-LCH	lch(40.37, 47.53, 27.23°)
OKLab	oklab(50.22% 0.1249 0.0525)
OKLCH	oklch(50.22% 0.136 22.8)
XYZ	xyz(17.6442, 11.4741, 5.8421)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D3E #3DA3A2

analogous

#A33D71 #A33D3E #A36F3D

triadic

#A33D3E #3EA33D #3D3EA3

tetradic

#A33D3E #71A33D #3DA3A2 #6F3DA3

square

#A33D3E #71A33D #3DA3A2 #6F3DA3

split-complementary

#A33D3E #3DA36F #3D71A3

monochromatic

#4A1C1C #762C2D #A33D3E #C25B5C #D28889

Accessibility & contrast

On white

6.37

#A33D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D3E

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D3E	#FFFFFF	#000000	##FFFFFF
##A33D3E	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523D

Deuteranopia (green-blind)

#71673B

Tritanopia (blue-blind)

#B2293E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d3e;
/* rgb */ color: rgb(163, 61, 62);
/* oklch */ color: oklch(50.2% 0.136 22.8);

Tailwind

colors: {
  custom: {
    50: '#c47773',
    500: '#a33d3e',
    950: '#000000',
  },
}

SCSS

$custom: #a33d3e;
$custom-light: #c47773;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d3e",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.412,
    "s": 45.536,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5022,
    "c": 0.1355,
    "h": 22.8
  },
  "luminance": 0.11472
}

Semantic roles & 50–950 ramp

primary

#A33D3E

secondary

#7FBDBC

accent

#D5D453

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140908

muted

#827B7B

Preview Lab

Preview with #A33D3E

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

Preview Lab → · Contrast checker → · Palette generator →