#A33F2F#A33F2F

#A33F2F is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.136 H 31.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A33F2F
RGB	rgb(163, 63, 47)
HSL	hsl(8, 55%, 41%)
HSV	hsv(8, 71%, 64%)
CMYK	cmyk(0%, 61.3%, 71.2%, 36.1%)
CIE-LAB	lab(40.49, 40.39, 30.90)
CIE-LCH	lch(40.49, 50.86, 37.42°)
OKLab	oklab(50.24% 0.1161 0.0708)
OKLCH	oklch(50.24% 0.136 31.4)
XYZ	xyz(17.3966, 11.5491, 4.0019)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F2F #2F93A3

analogous

#A32F59 #A33F2F #A3792F

triadic

#A33F2F #2FA33F #3F2FA3

tetradic

#A33F2F #59A32F #2F93A3 #792FA3

square

#A33F2F #59A32F #2F93A3 #792FA3

split-complementary

#A33F2F #2FA379 #2F59A3

monochromatic

#441A14 #732D21 #A33F2F #CA5846 #D78375

Accessibility & contrast

On white

6.35

#A33F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A33F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F2F

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F2F	#FFFFFF	#000000	##FFFFFF
##A33F2F	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522D

Deuteranopia (green-blind)

#73682C

Tritanopia (blue-blind)

#B3293C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f2f;
/* rgb */ color: rgb(163, 63, 47);
/* oklch */ color: oklch(50.2% 0.136 31.4);

Tailwind

colors: {
  custom: {
    50: '#c57868',
    500: '#a33f2f',
    950: '#000000',
  },
}

SCSS

$custom: #a33f2f;
$custom-light: #c57868;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f2f",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 8.276,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50237,
    "c": 0.13602,
    "h": 31.4
  },
  "luminance": 0.11547
}

Semantic roles & 50–950 ramp

primary

#A33F2F

secondary

#6FB4BF

accent

#CADF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33F2F

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

Preview Lab → · Contrast checker → · Palette generator →