#A33A2D#A33A2D

#A33A2D is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.142 H 30.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A33A2D
RGB	rgb(163, 58, 45)
HSL	hsl(7, 57%, 41%)
HSV	hsv(7, 72%, 64%)
CMYK	cmyk(0%, 64.4%, 72.4%, 36.1%)
CIE-LAB	lab(39.59, 42.62, 31.03)
CIE-LCH	lch(39.59, 52.72, 36.05°)
OKLab	oklab(49.55% 0.1227 0.0707)
OKLCH	oklch(49.55% 0.142 30)
XYZ	xyz(17.0928, 11.0045, 3.7061)
Luminance	0.1100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A2D #2D96A3

analogous

#A32D5B #A33A2D #A3752D

triadic

#A33A2D #2DA33A #3A2DA3

tetradic

#A33A2D #5BA32D #2D96A3 #752DA3

square

#A33A2D #5BA32D #2D96A3 #752DA3

split-complementary

#A33A2D #2DA375 #2D5BA3

monochromatic

#431813 #732920 #A33A2D #CB5142 #D87D72

Accessibility & contrast

On white

6.56

#A33A2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33A2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A2D

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A2D	#FFFFFF	#000000	##FFFFFF
##A33A2D	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2B

Deuteranopia (green-blind)

#71662A

Tritanopia (blue-blind)

#B32038

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a2d;
/* rgb */ color: rgb(163, 58, 45);
/* oklch */ color: oklch(49.5% 0.142 30.0);

Tailwind

colors: {
  custom: {
    50: '#c57566',
    500: '#a33a2d',
    950: '#000000',
  },
}

SCSS

$custom: #a33a2d;
$custom-light: #c57566;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a2d",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 6.61,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49549,
    "c": 0.14159,
    "h": 30
  },
  "luminance": 0.11002
}

Semantic roles & 50–950 ramp

primary

#A33A2D

secondary

#6CB6C0

accent

#CFE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33A2D

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

Preview Lab → · Contrast checker → · Palette generator →