#A33F29#A33F29

#A33F29 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.137 H 34.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#A33F29
RGB	rgb(163, 63, 41)
HSL	hsl(11, 60%, 40%)
HSV	hsv(11, 75%, 64%)
CMYK	cmyk(0%, 61.3%, 74.8%, 36.1%)
CIE-LAB	lab(40.42, 40.10, 34.24)
CIE-LCH	lch(40.42, 52.73, 40.50°)
OKLab	oklab(50.16% 0.114 0.0768)
OKLCH	oklch(50.16% 0.137 34)
XYZ	xyz(17.2838, 11.5040, 3.4078)
Luminance	0.1150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F29 #298DA3

analogous

#A32950 #A33F29 #A37C29

triadic

#A33F29 #29A33F #3F29A3

tetradic

#A33F29 #50A329 #298DA3 #7C29A3

square

#A33F29 #50A329 #298DA3 #7C29A3

split-complementary

#A33F29 #29A37C #2950A3

monochromatic

#411910 #722C1D #A33F29 #CE563B #DA806C

Accessibility & contrast

On white

6.36

#A33F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A33F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F29

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F29	#FFFFFF	#000000	##FFFFFF
##A33F29	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5126

Deuteranopia (green-blind)

#736826

Tritanopia (blue-blind)

#B3283A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f29;
/* rgb */ color: rgb(163, 63, 41);
/* oklch */ color: oklch(50.2% 0.137 34.0);

Tailwind

colors: {
  custom: {
    50: '#c57864',
    500: '#a33f29',
    950: '#000000',
  },
}

SCSS

$custom: #a33f29;
$custom-light: #c57864;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f29",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 10.82,
    "s": 59.804,
    "l": 40
  },
  "oklch": {
    "l": 0.50158,
    "c": 0.13748,
    "h": 34
  },
  "luminance": 0.11502
}

Semantic roles & 50–950 ramp

primary

#A33F29

secondary

#67B1C1

accent

#C6E345

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33F29

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

Preview Lab → · Contrast checker → · Palette generator →