#A33D2F#A33D2F

#A33D2F is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.138 H 30.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#A33D2F
RGB	rgb(163, 61, 47)
HSL	hsl(7, 55%, 41%)
HSV	hsv(7, 71%, 64%)
CMYK	cmyk(0%, 62.6%, 71.2%, 36.1%)
CIE-LAB	lab(40.13, 41.34, 30.49)
CIE-LCH	lch(40.13, 51.37, 36.41°)
OKLab	oklab(49.97% 0.1191 0.0699)
OKLCH	oklch(49.97% 0.138 30.4)
XYZ	xyz(17.2879, 11.3316, 3.9657)
Luminance	0.1133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D2F #2F95A3

analogous

#A32F5B #A33D2F #A3772F

triadic

#A33D2F #2FA33D #3D2FA3

tetradic

#A33D2F #5BA32F #2F95A3 #772FA3

square

#A33D2F #5BA32F #2F95A3 #772FA3

split-complementary

#A33D2F #2FA377 #2F5BA3

monochromatic

#441914 #732B21 #A33D2F #CA5646 #D78175

Accessibility & contrast

On white

6.43

#A33D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A33D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D2F

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D2F	#FFFFFF	#000000	##FFFFFF
##A33D2F	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512D

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#B3253A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d2f;
/* rgb */ color: rgb(163, 61, 47);
/* oklch */ color: oklch(50.0% 0.138 30.4);

Tailwind

colors: {
  custom: {
    50: '#c57768',
    500: '#a33d2f',
    950: '#000000',
  },
}

SCSS

$custom: #a33d2f;
$custom-light: #c57768;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d2f",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 7.241,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49968,
    "c": 0.13809,
    "h": 30.4
  },
  "luminance": 0.11329
}

Semantic roles & 50–950 ramp

primary

#A33D2F

secondary

#6FB5BF

accent

#CDDF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33D2F

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

Preview Lab → · Contrast checker → · Palette generator →