#A33930#A33930

#A33930 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.142 H 28.2°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#A33930
RGB	rgb(163, 57, 48)
HSL	hsl(5, 55%, 41%)
HSV	hsv(5, 71%, 64%)
CMYK	cmyk(0%, 65%, 70.6%, 36.1%)
CIE-LAB	lab(39.46, 43.23, 29.11)
CIE-LCH	lch(39.46, 52.12, 33.96°)
OKLab	oklab(49.47% 0.1252 0.0671)
OKLCH	oklch(49.47% 0.142 28.2)
XYZ	xyz(17.1027, 10.9286, 4.0046)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33930 #309AA3

analogous

#A33061 #A33930 #A37330

triadic

#A33930 #30A339 #3930A3

tetradic

#A33930 #61A330 #309AA3 #7330A3

square

#A33930 #61A330 #309AA3 #7330A3

split-complementary

#A33930 #30A373 #3061A3

monochromatic

#441814 #742822 #A33930 #C95147 #D77E77

Accessibility & contrast

On white

6.59

#A33930 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A33930 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33930

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33930	#FFFFFF	#000000	##FFFFFF
##A33930	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2E

Deuteranopia (green-blind)

#70662D

Tritanopia (blue-blind)

#B31F38

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33930;
/* rgb */ color: rgb(163, 57, 48);
/* oklch */ color: oklch(49.5% 0.142 28.2);

Tailwind

colors: {
  custom: {
    50: '#c57568',
    500: '#a33930',
    950: '#000000',
  },
}

SCSS

$custom: #a33930;
$custom-light: #c57568;
$custom-dark: #000000;

JSON

{
  "hex": "#a33930",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 4.696,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49465,
    "c": 0.14203,
    "h": 28.2
  },
  "luminance": 0.10926
}

Semantic roles & 50–950 ramp

primary

#A33930

secondary

#70B9BF

accent

#D2DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33930

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

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