#A33A2F#A33A2F

#A33A2F is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.141 H 29.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A33A2F
RGB	rgb(163, 58, 47)
HSL	hsl(6, 55%, 41%)
HSV	hsv(6, 71%, 64%)
CMYK	cmyk(0%, 64.4%, 71.2%, 36.1%)
CIE-LAB	lab(39.61, 42.72, 29.88)
CIE-LCH	lch(39.61, 52.14, 34.97°)
OKLab	oklab(49.58% 0.1234 0.0686)
OKLCH	oklch(49.58% 0.141 29.1)
XYZ	xyz(17.1322, 11.0203, 3.9138)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A2F #2F98A3

analogous

#A32F5E #A33A2F #A3742F

triadic

#A33A2F #2FA33A #3A2FA3

tetradic

#A33A2F #5EA32F #2F98A3 #742FA3

square

#A33A2F #5EA32F #2F98A3 #742FA3

split-complementary

#A33A2F #2FA374 #2F5EA3

monochromatic

#441814 #732921 #A33A2F #CA5246 #D77E75

Accessibility & contrast

On white

6.56

#A33A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A2F

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A2F	#FFFFFF	#000000	##FFFFFF
##A33A2F	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)

#574F2D

Deuteranopia (green-blind)

#71662C

Tritanopia (blue-blind)

#B32138

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a2f;
/* rgb */ color: rgb(163, 58, 47);
/* oklch */ color: oklch(49.6% 0.141 29.1);

Tailwind

colors: {
  custom: {
    50: '#c57568',
    500: '#a33a2f',
    950: '#000000',
  },
}

SCSS

$custom: #a33a2f;
$custom-light: #c57568;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a2f",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 5.69,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49577,
    "c": 0.14119,
    "h": 29.1
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#A33A2F

secondary

#6FB8BF

accent

#D0DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33A2F

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

Preview Lab → · Contrast checker → · Palette generator →