#A33E27#A33E27

#A33E27 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.139 H 34.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#A33E27
RGB	rgb(163, 62, 39)
HSL	hsl(11, 61%, 40%)
HSV	hsv(11, 76%, 64%)
CMYK	cmyk(0%, 62%, 76.1%, 36.1%)
CIE-LAB	lab(40.21, 40.48, 35.14)
CIE-LCH	lch(40.21, 53.60, 40.96°)
OKLab	oklab(50% 0.1148 0.0783)
OKLCH	oklch(50% 0.139 34.3)
XYZ	xyz(17.1949, 11.3807, 3.2103)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E27 #278CA3

analogous

#A3274E #A33E27 #A37C27

triadic

#A33E27 #27A33E #3E27A3

tetradic

#A33E27 #4EA327 #278CA3 #7C27A3

square

#A33E27 #4EA327 #278CA3 #7C27A3

split-complementary

#A33E27 #27A37C #274EA3

monochromatic

#40180F #722B1B #A33E27 #CF5438 #DB7E69

Accessibility & contrast

On white

6.41

#A33E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A33E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E27

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E27	#FFFFFF	#000000	##FFFFFF
##A33E27	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)

#5A5124

Deuteranopia (green-blind)

#736724

Tritanopia (blue-blind)

#B32639

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e27;
/* rgb */ color: rgb(163, 62, 39);
/* oklch */ color: oklch(50.0% 0.139 34.3);

Tailwind

colors: {
  custom: {
    50: '#c67762',
    500: '#a33e27',
    950: '#000000',
  },
}

SCSS

$custom: #a33e27;
$custom-light: #c67762;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e27",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 11.129,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49998,
    "c": 0.13896,
    "h": 34.3
  },
  "luminance": 0.11378
}

Semantic roles & 50–950 ramp

primary

#A33E27

secondary

#64B0C1

accent

#C7E443

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33E27

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

Preview Lab → · Contrast checker → · Palette generator →