#A33E31#A33E31

#A33E31 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.1% C 0.137 H 30.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A33E31
RGB	rgb(163, 62, 49)
HSL	hsl(7, 54%, 42%)
HSV	hsv(7, 70%, 64%)
CMYK	cmyk(0%, 62%, 69.9%, 36.1%)
CIE-LAB	lab(40.34, 40.98, 29.55)
CIE-LCH	lch(40.34, 50.52, 35.80°)
OKLab	oklab(50.13% 0.1184 0.0682)
OKLCH	oklch(50.13% 0.137 30)
XYZ	xyz(17.3830, 11.4559, 4.2010)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E31 #3196A3

analogous

#A3315D #A33E31 #A37731

triadic

#A33E31 #31A33E #3E31A3

tetradic

#A33E31 #5DA331 #3196A3 #7731A3

square

#A33E31 #5DA331 #3196A3 #7731A3

split-complementary

#A33E31 #31A377 #315DA3

monochromatic

#451A15 #742C23 #A33E31 #C85749 #D68378

Accessibility & contrast

On white

6.38

#A33E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E31

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E31	#FFFFFF	#000000	##FFFFFF
##A33E31	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512F

Deuteranopia (green-blind)

#72672E

Tritanopia (blue-blind)

#B3273B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e31;
/* rgb */ color: rgb(163, 62, 49);
/* oklch */ color: oklch(50.1% 0.137 30.0);

Tailwind

colors: {
  custom: {
    50: '#c57869',
    500: '#a33e31',
    950: '#000000',
  },
}

SCSS

$custom: #a33e31;
$custom-light: #c57869;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e31",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 6.842,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5013,
    "c": 0.13661,
    "h": 30
  },
  "luminance": 0.11454
}

Semantic roles & 50–950 ramp

primary

#A33E31

secondary

#71B6BF

accent

#CCDD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33E31

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

Preview Lab → · Contrast checker → · Palette generator →