#A33030#A33030

#A33030 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.151 H 24.8°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#A33030
RGB	rgb(163, 48, 48)
HSL	hsl(0, 55%, 41%)
HSV	hsv(0, 71%, 64%)
CMYK	cmyk(0%, 70.6%, 70.6%, 36.1%)
CIE-LAB	lab(38.05, 47.05, 27.44)
CIE-LCH	lch(38.05, 54.47, 30.25°)
OKLab	oklab(48.41% 0.1373 0.0634)
OKLCH	oklch(48.41% 0.151 24.8)
XYZ	xyz(16.6965, 10.1163, 3.8692)
Luminance	0.1011 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33030 #30A3A3

analogous

#A3306A #A33030 #A36A30

triadic

#A33030 #30A330 #3030A3

tetradic

#A33030 #6AA330 #30A3A3 #6A30A3

square

#A33030 #6AA330 #30A3A3 #6A30A3

split-complementary

#A33030 #30A36A #306AA3

monochromatic

#441414 #742222 #A33030 #C94747 #D77777

Accessibility & contrast

On white

6.95

#A33030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A33030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33030

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33030	#FFFFFF	#000000	##FFFFFF
##A33030	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504A2F

Deuteranopia (green-blind)

#6D632C

Tritanopia (blue-blind)

#B30A31

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33030;
/* rgb */ color: rgb(163, 48, 48);
/* oklch */ color: oklch(48.4% 0.151 24.8);

Tailwind

colors: {
  custom: {
    50: '#c67068',
    500: '#a33030',
    950: '#000000',
  },
}

SCSS

$custom: #a33030;
$custom-light: #c67068;
$custom-dark: #000000;

JSON

{
  "hex": "#a33030",
  "rgb": {
    "r": 163,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48409,
    "c": 0.15119,
    "h": 24.8
  },
  "luminance": 0.10114
}

Semantic roles & 50–950 ramp

primary

#A33030

secondary

#70BFBF

accent

#DEDE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33030

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

Preview Lab → · Contrast checker → · Palette generator →