#A63C32#A63C32

#A63C32 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.142 H 28.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A63C32
RGB	rgb(166, 60, 50)
HSL	hsl(5, 54%, 42%)
HSV	hsv(5, 70%, 65%)
CMYK	cmyk(0%, 63.9%, 69.9%, 34.9%)
CIE-LAB	lab(40.53, 43.05, 29.32)
CIE-LCH	lch(40.53, 52.09, 34.25°)
OKLab	oklab(50.38% 0.1247 0.0677)
OKLCH	oklch(50.38% 0.142 28.5)
XYZ	xyz(17.9193, 11.5715, 4.3069)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C32 #329CA6

analogous

#A63262 #A63C32 #A67632

triadic

#A63C32 #32A63C #3C32A6

tetradic

#A63C32 #62A632 #329CA6 #7632A6

square

#A63C32 #62A632 #329CA6 #7632A6

split-complementary

#A63C32 #32A676 #3262A6

monochromatic

#481A16 #772B24 #A63C32 #C9574C #D7837B

Accessibility & contrast

On white

6.34

#A63C32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63C32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C32

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C32	#FFFFFF	#000000	##FFFFFF
##A63C32	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595130

Deuteranopia (green-blind)

#73682F

Tritanopia (blue-blind)

#B6233A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63c32;
/* rgb */ color: rgb(166, 60, 50);
/* oklch */ color: oklch(50.4% 0.142 28.5);

Tailwind

colors: {
  custom: {
    50: '#c7776a',
    500: '#a63c32',
    950: '#000000',
  },
}

SCSS

$custom: #a63c32;
$custom-light: #c7776a;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c32",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 50
  },
  "hsl": {
    "h": 5.172,
    "s": 53.704,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50377,
    "c": 0.14192,
    "h": 28.5
  },
  "luminance": 0.11569
}

Semantic roles & 50–950 ramp

primary

#A63C32

secondary

#74B9C0

accent

#D0DD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63C32

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

Preview Lab → · Contrast checker → · Palette generator →