#A33735#A33735

#A33735 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.143 H 25.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A33735
RGB	rgb(163, 55, 53)
HSL	hsl(1, 51%, 42%)
HSV	hsv(1, 67%, 64%)
CMYK	cmyk(0%, 66.3%, 67.5%, 36.1%)
CIE-LAB	lab(39.20, 44.40, 25.79)
CIE-LCH	lch(39.20, 51.34, 30.16°)
OKLab	oklab(49.3% 0.1299 0.0605)
OKLCH	oklch(49.3% 0.143 25)
XYZ	xyz(17.1148, 10.7783, 4.5467)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33735 #35A1A3

analogous

#A3356A #A33735 #A36E35

triadic

#A33735 #35A337 #3735A3

tetradic

#A33735 #6AA335 #35A1A3 #6E35A3

square

#A33735 #6AA335 #35A1A3 #6E35A3

split-complementary

#A33735 #35A36E #356AA3

monochromatic

#471817 #752726 #A33735 #C6514F #D57F7E

Accessibility & contrast

On white

6.66

#A33735 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A33735 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33735

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33735	#FFFFFF	#000000	##FFFFFF
##A33735	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E34

Deuteranopia (green-blind)

#6F6532

Tritanopia (blue-blind)

#B31D38

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33735;
/* rgb */ color: rgb(163, 55, 53);
/* oklch */ color: oklch(49.3% 0.143 25.0);

Tailwind

colors: {
  custom: {
    50: '#c5746c',
    500: '#a33735',
    950: '#000000',
  },
}

SCSS

$custom: #a33735;
$custom-light: #c5746c;
$custom-dark: #000000;

JSON

{
  "hex": "#a33735",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 53
  },
  "hsl": {
    "h": 1.091,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49297,
    "c": 0.14332,
    "h": 25
  },
  "luminance": 0.10776
}

Semantic roles & 50–950 ramp

primary

#A33735

secondary

#76BDBE

accent

#D8DA4D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33735

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

Preview Lab → · Contrast checker → · Palette generator →