#A33736#A33736

#A33736 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.143 H 24.5°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A33736
RGB	rgb(163, 55, 54)
HSL	hsl(1, 50%, 43%)
HSV	hsv(1, 67%, 64%)
CMYK	cmyk(0%, 66.3%, 66.9%, 36.1%)
CIE-LAB	lab(39.22, 44.45, 25.20)
CIE-LCH	lch(39.22, 51.10, 29.55°)
OKLab	oklab(49.31% 0.1303 0.0594)
OKLCH	oklch(49.31% 0.143 24.5)
XYZ	xyz(17.1380, 10.7876, 4.6691)
Luminance	0.1079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33736 #36A2A3

analogous

#A3366C #A33736 #A36D36

triadic

#A33736 #36A337 #3736A3

tetradic

#A33736 #6CA336 #36A2A3 #6D36A3

square

#A33736 #6CA336 #36A2A3 #6D36A3

split-complementary

#A33736 #36A36D #366CA3

monochromatic

#471818 #752727 #A33736 #C55251 #D5807F

Accessibility & contrast

On white

6.65

#A33736 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A33736 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33736

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33736	#FFFFFF	#000000	##FFFFFF
##A33736	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E35

Deuteranopia (green-blind)

#6F6533

Tritanopia (blue-blind)

#B31D38

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33736;
/* rgb */ color: rgb(163, 55, 54);
/* oklch */ color: oklch(49.3% 0.143 24.5);

Tailwind

colors: {
  custom: {
    50: '#c5746d',
    500: '#a33736',
    950: '#000000',
  },
}

SCSS

$custom: #a33736;
$custom-light: #c5746d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33736",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.55,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49314,
    "c": 0.14318,
    "h": 24.5
  },
  "luminance": 0.10785
}

Semantic roles & 50–950 ramp

primary

#A33736

secondary

#77BDBE

accent

#D8DA4E

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33736

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

Preview Lab → · Contrast checker → · Palette generator →