#A33F2E#A33F2E

#A33F2E is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.136 H 31.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A33F2E
RGB	rgb(163, 63, 46)
HSL	hsl(9, 56%, 41%)
HSV	hsv(9, 72%, 64%)
CMYK	cmyk(0%, 61.3%, 71.8%, 36.1%)
CIE-LAB	lab(40.48, 40.34, 31.47)
CIE-LCH	lch(40.48, 51.16, 37.95°)
OKLab	oklab(50.22% 0.1158 0.0719)
OKLCH	oklch(50.22% 0.136 31.8)
XYZ	xyz(17.3767, 11.5412, 3.8969)
Luminance	0.1154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F2E #2E92A3

analogous

#A32E57 #A33F2E #A3792E

triadic

#A33F2E #2EA33F #3F2EA3

tetradic

#A33F2E #57A32E #2E92A3 #792EA3

square

#A33F2E #57A32E #2E92A3 #792EA3

split-complementary

#A33F2E #2EA379 #2E57A3

monochromatic

#441A13 #732D21 #A33F2E #CA5744 #D88274

Accessibility & contrast

On white

6.35

#A33F2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A33F2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F2E

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F2E	#FFFFFF	#000000	##FFFFFF
##A33F2E	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)

#5A522C

Deuteranopia (green-blind)

#73682B

Tritanopia (blue-blind)

#B3283B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f2e;
/* rgb */ color: rgb(163, 63, 46);
/* oklch */ color: oklch(50.2% 0.136 31.8);

Tailwind

colors: {
  custom: {
    50: '#c57867',
    500: '#a33f2e',
    950: '#000000',
  },
}

SCSS

$custom: #a33f2e;
$custom-light: #c57867;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f2e",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 8.718,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50223,
    "c": 0.13625,
    "h": 31.8
  },
  "luminance": 0.11539
}

Semantic roles & 50–950 ramp

primary

#A33F2E

secondary

#6DB3BF

accent

#C9DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33F2E

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

Preview Lab → · Contrast checker → · Palette generator →