#A33138#A33138

#A33138 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.149 H 21.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A33138
RGB	rgb(163, 49, 56)
HSL	hsl(356, 54%, 42%)
HSV	hsv(356, 70%, 64%)
CMYK	cmyk(0%, 69.9%, 65.6%, 36.1%)
CIE-LAB	lab(38.32, 47.10, 22.85)
CIE-LCH	lch(38.32, 52.35, 25.88°)
OKLab	oklab(48.66% 0.1391 0.0543)
OKLCH	oklch(48.66% 0.149 21.3)
XYZ	xyz(16.9181, 10.2711, 4.8323)
Luminance	0.1027 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33138 #31A39C

analogous

#A33171 #A33138 #A36331

triadic

#A33138 #38A331 #3138A3

tetradic

#A33138 #71A331 #31A39C #6331A3

square

#A33138 #71A331 #31A39C #6331A3

split-complementary

#A33138 #31A363 #3171A3

monochromatic

#451518 #742328 #A33138 #C84951 #D6787E

Accessibility & contrast

On white

6.88

#A33138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A33138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33138

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33138	#FFFFFF	#000000	##FFFFFF
##A33138	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B37

Deuteranopia (green-blind)

#6D6335

Tritanopia (blue-blind)

#B31135

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33138;
/* rgb */ color: rgb(163, 49, 56);
/* oklch */ color: oklch(48.7% 0.149 21.3);

Tailwind

colors: {
  custom: {
    50: '#c5716e',
    500: '#a33138',
    950: '#000000',
  },
}

SCSS

$custom: #a33138;
$custom-light: #c5716e;
$custom-dark: #000000;

JSON

{
  "hex": "#a33138",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.316,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48655,
    "c": 0.14933,
    "h": 21.3
  },
  "luminance": 0.10269
}

Semantic roles & 50–950 ramp

primary

#A33138

secondary

#71BFBA

accent

#DDD44B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33138

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

Preview Lab → · Contrast checker → · Palette generator →