#A33C27#A33C27

#A33C27 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.7% C 0.141 H 33.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A33C27
RGB	rgb(163, 60, 39)
HSL	hsl(10, 61%, 40%)
HSV	hsv(10, 76%, 64%)
CMYK	cmyk(0%, 63.2%, 76.1%, 36.1%)
CIE-LAB	lab(39.86, 41.42, 34.75)
CIE-LCH	lch(39.86, 54.07, 40.00°)
OKLab	oklab(49.73% 0.1177 0.0774)
OKLCH	oklch(49.73% 0.141 33.3)
XYZ	xyz(17.0882, 11.1671, 3.1747)
Luminance	0.1116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C27 #278EA3

analogous

#A32750 #A33C27 #A37A27

triadic

#A33C27 #27A33C #3C27A3

tetradic

#A33C27 #50A327 #278EA3 #7A27A3

square

#A33C27 #50A327 #278EA3 #7A27A3

split-complementary

#A33C27 #27A37A #2750A3

monochromatic

#40180F #722A1B #A33C27 #CF5238 #DB7D69

Accessibility & contrast

On white

6.50

#A33C27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A33C27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C27

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C27	#FFFFFF	#000000	##FFFFFF
##A33C27	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#726624

Tritanopia (blue-blind)

#B32238

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c27;
/* rgb */ color: rgb(163, 60, 39);
/* oklch */ color: oklch(49.7% 0.141 33.3);

Tailwind

colors: {
  custom: {
    50: '#c67662',
    500: '#a33c27',
    950: '#000000',
  },
}

SCSS

$custom: #a33c27;
$custom-light: #c67662;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c27",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 39
  },
  "hsl": {
    "h": 10.161,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49731,
    "c": 0.14092,
    "h": 33.3
  },
  "luminance": 0.11165
}

Semantic roles & 50–950 ramp

primary

#A33C27

secondary

#64B2C1

accent

#C9E443

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33C27

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

Preview Lab → · Contrast checker → · Palette generator →