#A33C30#A33C30

#A33C30 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.139 H 29.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A33C30
RGB	rgb(163, 60, 48)
HSL	hsl(6, 55%, 41%)
HSV	hsv(6, 71%, 64%)
CMYK	cmyk(0%, 63.2%, 70.6%, 36.1%)
CIE-LAB	lab(39.97, 41.86, 29.71)
CIE-LCH	lch(39.97, 51.33, 35.37°)
OKLab	oklab(49.85% 0.1209 0.0684)
OKLCH	oklch(49.85% 0.139 29.5)
XYZ	xyz(17.2554, 11.2340, 4.0555)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C30 #3097A3

analogous

#A3305E #A33C30 #A37630

triadic

#A33C30 #30A33C #3C30A3

tetradic

#A33C30 #5EA330 #3097A3 #7630A3

square

#A33C30 #5EA330 #3097A3 #7630A3

split-complementary

#A33C30 #30A376 #305EA3

monochromatic

#441914 #742B22 #A33C30 #C95547 #D78177

Accessibility & contrast

On white

6.47

#A33C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A33C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C30

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C30	#FFFFFF	#000000	##FFFFFF
##A33C30	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502E

Deuteranopia (green-blind)

#71672D

Tritanopia (blue-blind)

#B3243A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c30;
/* rgb */ color: rgb(163, 60, 48);
/* oklch */ color: oklch(49.9% 0.139 29.5);

Tailwind

colors: {
  custom: {
    50: '#c57669',
    500: '#a33c30',
    950: '#000000',
  },
}

SCSS

$custom: #a33c30;
$custom-light: #c57669;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c30",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 6.261,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4985,
    "c": 0.13891,
    "h": 29.5
  },
  "luminance": 0.11232
}

Semantic roles & 50–950 ramp

primary

#A33C30

secondary

#70B7BF

accent

#CEDE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33C30

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

Preview Lab → · Contrast checker → · Palette generator →