#A63E2C#A63E2C

#A63E2C is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.6% C 0.141 H 32.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#A63E2C
RGB	rgb(166, 62, 44)
HSL	hsl(9, 58%, 41%)
HSV	hsv(9, 73%, 65%)
CMYK	cmyk(0%, 62.7%, 73.5%, 34.9%)
CIE-LAB	lab(40.79, 41.82, 33.11)
CIE-LCH	lch(40.79, 53.34, 38.37°)
OKLab	oklab(50.55% 0.1196 0.0749)
OKLCH	oklch(50.55% 0.141 32)
XYZ	xyz(17.9050, 11.7366, 3.7049)
Luminance	0.1173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E2C #2C94A6

analogous

#A62C57 #A63E2C #A67B2C

triadic

#A63E2C #2CA63E #3E2CA6

tetradic

#A63E2C #57A62C #2C94A6 #7B2CA6

square

#A63E2C #57A62C #2C94A6 #7B2CA6

split-complementary

#A63E2C #2CA67B #2C57A6

monochromatic

#451A12 #762C1F #A63E2C #CD5742 #DA8273

Accessibility & contrast

On white

6.27

#A63E2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#A63E2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E2C

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E2C	#FFFFFF	#000000	##FFFFFF
##A63E2C	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B522A

Deuteranopia (green-blind)

#746929

Tritanopia (blue-blind)

#B6253A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e2c;
/* rgb */ color: rgb(166, 62, 44);
/* oklch */ color: oklch(50.6% 0.141 32.0);

Tailwind

colors: {
  custom: {
    50: '#c87866',
    500: '#a63e2c',
    950: '#000000',
  },
}

SCSS

$custom: #a63e2c;
$custom-light: #c87866;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e2c",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 8.852,
    "s": 58.095,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50553,
    "c": 0.14113,
    "h": 32
  },
  "luminance": 0.11734
}

Semantic roles & 50–950 ramp

primary

#A63E2C

secondary

#6DB5C1

accent

#CAE146

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63E2C

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

Preview Lab → · Contrast checker → · Palette generator →