#A33139#A33139

#A33139 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.149 H 20.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#A33139
RGB	rgb(163, 49, 57)
HSL	hsl(356, 54%, 42%)
HSV	hsv(356, 70%, 64%)
CMYK	cmyk(0%, 69.9%, 65%, 36.1%)
CIE-LAB	lab(38.34, 47.16, 22.25)
CIE-LCH	lch(38.34, 52.15, 25.26°)
OKLab	oklab(48.67% 0.1395 0.0531)
OKLCH	oklch(48.67% 0.149 20.8)
XYZ	xyz(16.9428, 10.2810, 4.9624)
Luminance	0.1028 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33139 #31A39B

analogous

#A33172 #A33139 #A36231

triadic

#A33139 #39A331 #3139A3

tetradic

#A33139 #72A331 #31A39B #6231A3

square

#A33139 #72A331 #31A39B #6231A3

split-complementary

#A33139 #31A362 #3172A3

monochromatic

#451518 #742329 #A33139 #C84952 #D6787F

Accessibility & contrast

On white

6.87

#A33139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A33139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33139

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33139	#FFFFFF	#000000	##FFFFFF
##A33139	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B38

Deuteranopia (green-blind)

#6D6336

Tritanopia (blue-blind)

#B31235

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33139;
/* rgb */ color: rgb(163, 49, 57);
/* oklch */ color: oklch(48.7% 0.149 20.8);

Tailwind

colors: {
  custom: {
    50: '#c5716f',
    500: '#a33139',
    950: '#000000',
  },
}

SCSS

$custom: #a33139;
$custom-light: #c5716f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33139",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 355.789,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48674,
    "c": 0.14926,
    "h": 20.8
  },
  "luminance": 0.10279
}

Semantic roles & 50–950 ramp

primary

#A33139

secondary

#71BFB9

accent

#DDD34B

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33139

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

Preview Lab → · Contrast checker → · Palette generator →