#A33630#A33630

#A33630 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.145 H 27.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A33630
RGB	rgb(163, 54, 48)
HSL	hsl(3, 55%, 41%)
HSV	hsv(3, 71%, 64%)
CMYK	cmyk(0%, 66.9%, 70.6%, 36.1%)
CIE-LAB	lab(38.97, 44.55, 28.53)
CIE-LCH	lch(38.97, 52.90, 32.63°)
OKLab	oklab(49.1% 0.1294 0.0658)
OKLCH	oklch(49.1% 0.145 27)
XYZ	xyz(16.9587, 10.6407, 3.9566)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33630 #309DA3

analogous

#A33064 #A33630 #A37030

triadic

#A33630 #30A336 #3630A3

tetradic

#A33630 #64A330 #309DA3 #7030A3

square

#A33630 #64A330 #309DA3 #7030A3

split-complementary

#A33630 #30A370 #3064A3

monochromatic

#441714 #742622 #A33630 #C94E47 #D77C77

Accessibility & contrast

On white

6.71

#A33630 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A33630 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33630

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33630	#FFFFFF	#000000	##FFFFFF
##A33630	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2F

Deuteranopia (green-blind)

#6F652D

Tritanopia (blue-blind)

#B31935

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33630;
/* rgb */ color: rgb(163, 54, 48);
/* oklch */ color: oklch(49.1% 0.145 27.0);

Tailwind

colors: {
  custom: {
    50: '#c57368',
    500: '#a33630',
    950: '#000000',
  },
}

SCSS

$custom: #a33630;
$custom-light: #c57368;
$custom-dark: #000000;

JSON

{
  "hex": "#a33630",
  "rgb": {
    "r": 163,
    "g": 54,
    "b": 48
  },
  "hsl": {
    "h": 3.13,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49096,
    "c": 0.14513,
    "h": 27
  },
  "luminance": 0.10638
}

Semantic roles & 50–950 ramp

primary

#A33630

secondary

#70BBBF

accent

#D6DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33630

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

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