#A33F2C#A33F2C

#A33F2C is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.137 H 32.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A33F2C
RGB	rgb(163, 63, 44)
HSL	hsl(10, 57%, 41%)
HSV	hsv(10, 73%, 64%)
CMYK	cmyk(0%, 61.3%, 73%, 36.1%)
CIE-LAB	lab(40.45, 40.24, 32.59)
CIE-LCH	lch(40.45, 51.78, 39.00°)
OKLab	oklab(50.2% 0.1151 0.0739)
OKLCH	oklch(50.2% 0.137 32.7)
XYZ	xyz(17.3382, 11.5258, 3.6941)
Luminance	0.1152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F2C #2C90A3

analogous

#A32C54 #A33F2C #A37A2C

triadic

#A33F2C #2CA33F #3F2CA3

tetradic

#A33F2C #54A32C #2C90A3 #7A2CA3

square

#A33F2C #54A32C #2C90A3 #7A2CA3

split-complementary

#A33F2C #2CA37A #2C54A3

monochromatic

#431A12 #732C1F #A33F2C #CC5741 #D98171

Accessibility & contrast

On white

6.35

#A33F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A33F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F2C

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F2C	#FFFFFF	#000000	##FFFFFF
##A33F2C	1.00	6.35	3.30	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522A

Deuteranopia (green-blind)

#736829

Tritanopia (blue-blind)

#B3283B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f2c;
/* rgb */ color: rgb(163, 63, 44);
/* oklch */ color: oklch(50.2% 0.137 32.7);

Tailwind

colors: {
  custom: {
    50: '#c57866',
    500: '#a33f2c',
    950: '#000000',
  },
}

SCSS

$custom: #a33f2c;
$custom-light: #c57866;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f2c",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 44
  },
  "hsl": {
    "h": 9.58,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50196,
    "c": 0.13674,
    "h": 32.7
  },
  "luminance": 0.11523
}

Semantic roles & 50–950 ramp

primary

#A33F2C

secondary

#6BB2C0

accent

#C8E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33F2C

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

Preview Lab → · Contrast checker → · Palette generator →