#A33E23#A33E23

#A33E23 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.0% C 0.140 H 35.8°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#A33E23
RGB	rgb(163, 62, 35)
HSL	hsl(13, 65%, 39%)
HSV	hsv(13, 79%, 64%)
CMYK	cmyk(0%, 62%, 78.5%, 36.1%)
CIE-LAB	lab(40.17, 40.32, 37.26)
CIE-LCH	lch(40.17, 54.90, 42.75°)
OKLab	oklab(49.95% 0.1135 0.0818)
OKLCH	oklch(49.95% 0.14 35.8)
XYZ	xyz(17.1321, 11.3555, 2.8795)
Luminance	0.1135 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33E23 #2388A3

analogous

#A32348 #A33E23 #A37E23

triadic

#A33E23 #23A33E #3E23A3

tetradic

#A33E23 #48A323 #2388A3 #7E23A3

square

#A33E23 #48A323 #2388A3 #7E23A3

split-complementary

#A33E23 #23A37E #2348A3

monochromatic

#3E180D #712B18 #A33E23 #D35331 #DD7D63

Accessibility & contrast

On white

6.42

#A33E23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#A33E23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33E23

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33E23	#FFFFFF	#000000	##FFFFFF
##A33E23	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A511F

Deuteranopia (green-blind)

#73671F

Tritanopia (blue-blind)

#B32538

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33e23;
/* rgb */ color: rgb(163, 62, 35);
/* oklch */ color: oklch(50.0% 0.140 35.8);

Tailwind

colors: {
  custom: {
    50: '#c67760',
    500: '#a33e23',
    950: '#000000',
  },
}

SCSS

$custom: #a33e23;
$custom-light: #c67760;
$custom-dark: #000000;

JSON

{
  "hex": "#a33e23",
  "rgb": {
    "r": 163,
    "g": 62,
    "b": 35
  },
  "hsl": {
    "h": 12.656,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49953,
    "c": 0.13994,
    "h": 35.8
  },
  "luminance": 0.11353
}

Semantic roles & 50–950 ramp

primary

#A33E23

secondary

#5FAEC3

accent

#C4E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33E23

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

Preview Lab → · Contrast checker → · Palette generator →