#A33B2D#A33B2D

#A33B2D is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.141 H 30.4°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A33B2D
RGB	rgb(163, 59, 45)
HSL	hsl(7, 57%, 41%)
HSV	hsv(7, 72%, 64%)
CMYK	cmyk(0%, 63.8%, 72.4%, 36.1%)
CIE-LAB	lab(39.76, 42.16, 31.22)
CIE-LCH	lch(39.76, 52.47, 36.52°)
OKLab	oklab(49.68% 0.1213 0.0711)
OKLCH	oklch(49.68% 0.141 30.4)
XYZ	xyz(17.1437, 11.1063, 3.7231)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B2D #2D95A3

analogous

#A32D5A #A33B2D #A3762D

triadic

#A33B2D #2DA33B #3B2DA3

tetradic

#A33B2D #5AA32D #2D95A3 #762DA3

square

#A33B2D #5AA32D #2D95A3 #762DA3

split-complementary

#A33B2D #2DA376 #2D5AA3

monochromatic

#431813 #732A20 #A33B2D #CB5342 #D87E72

Accessibility & contrast

On white

6.52

#A33B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A33B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B2D

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B2D	#FFFFFF	#000000	##FFFFFF
##A33B2D	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2B

Deuteranopia (green-blind)

#71662A

Tritanopia (blue-blind)

#B32238

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33b2d;
/* rgb */ color: rgb(163, 59, 45);
/* oklch */ color: oklch(49.7% 0.141 30.4);

Tailwind

colors: {
  custom: {
    50: '#c57666',
    500: '#a33b2d',
    950: '#000000',
  },
}

SCSS

$custom: #a33b2d;
$custom-light: #c57666;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b2d",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 7.119,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49677,
    "c": 0.14057,
    "h": 30.4
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#A33B2D

secondary

#6CB6C0

accent

#CEE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33B2D

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

Preview Lab → · Contrast checker → · Palette generator →