#A33E2F#A33E2F

#A33E2F is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.137 H 30.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A33E2F
RGB	rgb(163, 62, 47)
HSL	hsl(8, 55%, 41%)
HSV	hsv(8, 71%, 64%)
CMYK	cmyk(0%, 62%, 71.2%, 36.1%)
CIE-LAB	lab(40.31, 40.87, 30.69)
CIE-LCH	lch(40.31, 51.11, 36.91°)
OKLab	oklab(50.1% 0.1176 0.0704)
OKLCH	oklch(50.1% 0.137 30.9)
XYZ	xyz(17.3417, 11.4394, 3.9836)
Luminance	0.1144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E2F #2F94A3

analogous

#A32F5A #A33E2F #A3782F

triadic

#A33E2F #2FA33E #3E2FA3

tetradic

#A33E2F #5AA32F #2F94A3 #782FA3

square

#A33E2F #5AA32F #2F94A3 #782FA3

split-complementary

#A33E2F #2FA378 #2F5AA3

monochromatic

#441A14 #732C21 #A33E2F #CA5746 #D78275

Accessibility & contrast

On white

6.39

#A33E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E2F

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E2F	#FFFFFF	#000000	##FFFFFF
##A33E2F	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512D

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#B3273B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e2f;
/* rgb */ color: rgb(163, 62, 47);
/* oklch */ color: oklch(50.1% 0.137 30.9);

Tailwind

colors: {
  custom: {
    50: '#c57868',
    500: '#a33e2f',
    950: '#000000',
  },
}

SCSS

$custom: #a33e2f;
$custom-light: #c57868;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e2f",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 7.759,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50101,
    "c": 0.13706,
    "h": 30.9
  },
  "luminance": 0.11437
}

Semantic roles & 50–950 ramp

primary

#A33E2F

secondary

#6FB5BF

accent

#CBDF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33E2F

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

Preview Lab → · Contrast checker → · Palette generator →