#A33D2D#A33D2D

#A33D2D is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.139 H 31.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#A33D2D
RGB	rgb(163, 61, 45)
HSL	hsl(8, 57%, 41%)
HSV	hsv(8, 72%, 64%)
CMYK	cmyk(0%, 62.6%, 72.4%, 36.1%)
CIE-LAB	lab(40.11, 41.24, 31.62)
CIE-LCH	lch(40.11, 51.96, 37.48°)
OKLab	oklab(49.94% 0.1184 0.072)
OKLCH	oklch(49.94% 0.139 31.3)
XYZ	xyz(17.2484, 11.3159, 3.7580)
Luminance	0.1131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D2D #2D93A3

analogous

#A32D58 #A33D2D #A3782D

triadic

#A33D2D #2DA33D #3D2DA3

tetradic

#A33D2D #58A32D #2D93A3 #782DA3

square

#A33D2D #58A32D #2D93A3 #782DA3

split-complementary

#A33D2D #2DA378 #2D58A3

monochromatic

#431913 #732B20 #A33D2D #CB5542 #D88072

Accessibility & contrast

On white

6.44

#A33D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A33D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D2D

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D2D	#FFFFFF	#000000	##FFFFFF
##A33D2D	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59502B

Deuteranopia (green-blind)

#72672A

Tritanopia (blue-blind)

#B3253A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33d2d;
/* rgb */ color: rgb(163, 61, 45);
/* oklch */ color: oklch(49.9% 0.139 31.3);

Tailwind

colors: {
  custom: {
    50: '#c57766',
    500: '#a33d2d',
    950: '#000000',
  },
}

SCSS

$custom: #a33d2d;
$custom-light: #c57766;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d2d",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 8.136,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4994,
    "c": 0.13853,
    "h": 31.3
  },
  "luminance": 0.11313
}

Semantic roles & 50–950 ramp

primary

#A33D2D

secondary

#6CB4C0

accent

#CBE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33D2D

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

Preview Lab → · Contrast checker → · Palette generator →