#A33E28#A33E28

#A33E28 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.139 H 33.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#A33E28
RGB	rgb(163, 62, 40)
HSL	hsl(11, 61%, 40%)
HSV	hsv(11, 75%, 64%)
CMYK	cmyk(0%, 62%, 75.5%, 36.1%)
CIE-LAB	lab(40.23, 40.53, 34.59)
CIE-LCH	lch(40.23, 53.28, 40.48°)
OKLab	oklab(50.01% 0.1152 0.0773)
OKLCH	oklch(50.01% 0.139 33.9)
XYZ	xyz(17.2117, 11.3874, 3.2987)
Luminance	0.1139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E28 #288DA3

analogous

#A3284F #A33E28 #A37C28

triadic

#A33E28 #28A33E #3E28A3

tetradic

#A33E28 #4FA328 #288DA3 #7C28A3

square

#A33E28 #4FA328 #288DA3 #7C28A3

split-complementary

#A33E28 #28A37C #284FA3

monochromatic

#411910 #722B1C #A33E28 #CF543A #DB7F6B

Accessibility & contrast

On white

6.41

#A33E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E28

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E28	#FFFFFF	#000000	##FFFFFF
##A33E28	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#736725

Tritanopia (blue-blind)

#B32639

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e28;
/* rgb */ color: rgb(163, 62, 40);
/* oklch */ color: oklch(50.0% 0.139 33.9);

Tailwind

colors: {
  custom: {
    50: '#c57763',
    500: '#a33e28',
    950: '#000000',
  },
}

SCSS

$custom: #a33e28;
$custom-light: #c57763;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e28",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 10.732,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50009,
    "c": 0.13871,
    "h": 33.9
  },
  "luminance": 0.11385
}

Semantic roles & 50–950 ramp

primary

#A33E28

secondary

#66B1C1

accent

#C7E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33E28

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

Preview Lab → · Contrast checker → · Palette generator →