#A63D32#A63D32

#A63D32 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.141 H 28.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A63D32
RGB	rgb(166, 61, 50)
HSL	hsl(6, 54%, 42%)
HSV	hsv(6, 70%, 65%)
CMYK	cmyk(0%, 63.3%, 69.9%, 34.9%)
CIE-LAB	lab(40.70, 42.59, 29.52)
CIE-LCH	lch(40.70, 51.82, 34.72°)
OKLab	oklab(50.51% 0.1233 0.0682)
OKLCH	oklch(50.51% 0.141 28.9)
XYZ	xyz(17.9722, 11.6772, 4.3246)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D32 #329BA6

analogous

#A63261 #A63D32 #A67732

triadic

#A63D32 #32A63D #3D32A6

tetradic

#A63D32 #61A632 #329BA6 #7732A6

square

#A63D32 #61A632 #329BA6 #7732A6

split-complementary

#A63D32 #32A677 #3261A6

monochromatic

#481A16 #772C24 #A63D32 #C9584C #D7847B

Accessibility & contrast

On white

6.30

#A63D32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A63D32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D32

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D32	#FFFFFF	#000000	##FFFFFF
##A63D32	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595230

Deuteranopia (green-blind)

#73682F

Tritanopia (blue-blind)

#B6253B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63d32;
/* rgb */ color: rgb(166, 61, 50);
/* oklch */ color: oklch(50.5% 0.141 28.9);

Tailwind

colors: {
  custom: {
    50: '#c7776a',
    500: '#a63d32',
    950: '#000000',
  },
}

SCSS

$custom: #a63d32;
$custom-light: #c7776a;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d32",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 50
  },
  "hsl": {
    "h": 5.69,
    "s": 53.704,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50506,
    "c": 0.14087,
    "h": 28.9
  },
  "luminance": 0.11675
}

Semantic roles & 50–950 ramp

primary

#A63D32

secondary

#74B9C0

accent

#CFDD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63D32

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

Preview Lab → · Contrast checker → · Palette generator →