#A63D2E#A63D2E

#A63D2E is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.142 H 30.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#A63D2E
RGB	rgb(166, 61, 46)
HSL	hsl(8, 57%, 42%)
HSV	hsv(8, 72%, 65%)
CMYK	cmyk(0%, 63.3%, 72.3%, 34.9%)
CIE-LAB	lab(40.65, 42.38, 31.79)
CIE-LCH	lch(40.65, 52.98, 36.87°)
OKLab	oklab(50.45% 0.1218 0.0724)
OKLCH	oklch(50.45% 0.142 30.7)
XYZ	xyz(17.8896, 11.6442, 3.8898)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D2E #2E97A6

analogous

#A62E5B #A63D2E #A6792E

triadic

#A63D2E #2EA63D #3D2EA6

tetradic

#A63D2E #5BA62E #2E97A6 #792EA6

square

#A63D2E #5BA62E #2E97A6 #792EA6

split-complementary

#A63D2E #2EA679 #2E5BA6

monochromatic

#461A13 #762B21 #A63D2E #CC5646 #D98276

Accessibility & contrast

On white

6.31

#A63D2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63D2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D2E

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D2E	#FFFFFF	#000000	##FFFFFF
##A63D2E	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A512C

Deuteranopia (green-blind)

#74682B

Tritanopia (blue-blind)

#B6243A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63d2e;
/* rgb */ color: rgb(166, 61, 46);
/* oklch */ color: oklch(50.4% 0.142 30.7);

Tailwind

colors: {
  custom: {
    50: '#c77767',
    500: '#a63d2e',
    950: '#000000',
  },
}

SCSS

$custom: #a63d2e;
$custom-light: #c77767;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d2e",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 46
  },
  "hsl": {
    "h": 7.5,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50448,
    "c": 0.1417,
    "h": 30.7
  },
  "luminance": 0.11642
}

Semantic roles & 50–950 ramp

primary

#A63D2E

secondary

#6FB7C1

accent

#CDE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63D2E

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

Preview Lab → · Contrast checker → · Palette generator →