#A63C45#A63C45

#A63C45 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.7% C 0.140 H 18.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#A63C45
RGB	rgb(166, 60, 69)
HSL	hsl(355, 47%, 44%)
HSV	hsv(355, 64%, 65%)
CMYK	cmyk(0%, 63.9%, 58.4%, 34.9%)
CIE-LAB	lab(40.85, 44.29, 18.16)
CIE-LCH	lch(40.85, 47.87, 22.29°)
OKLab	oklab(50.72% 0.1322 0.0446)
OKLCH	oklch(50.72% 0.14 18.6)
XYZ	xyz(18.4176, 11.7708, 6.9312)
Luminance	0.1177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C45 #3CA69D

analogous

#A63C7A #A63C45 #A6683C

triadic

#A63C45 #45A63C #3C45A6

tetradic

#A63C45 #7AA63C #3CA69D #683CA6

square

#A63C45 #7AA63C #3CA69D #683CA6

split-complementary

#A63C45 #3CA668 #3C7AA6

monochromatic

#4C1C20 #792C32 #A63C45 #C45B64 #D4888F

Accessibility & contrast

On white

6.26

#A63C45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#A63C45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C45

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C45	#FFFFFF	#000000	##FFFFFF
##A63C45	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565245

Deuteranopia (green-blind)

#716942

Tritanopia (blue-blind)

#B52840

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63c45;
/* rgb */ color: rgb(166, 60, 69);
/* oklch */ color: oklch(50.7% 0.140 18.6);

Tailwind

colors: {
  custom: {
    50: '#c67778',
    500: '#a63c45',
    950: '#000000',
  },
}

SCSS

$custom: #a63c45;
$custom-light: #c67778;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c45",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 69
  },
  "hsl": {
    "h": 354.906,
    "s": 46.903,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50723,
    "c": 0.13957,
    "h": 18.6
  },
  "luminance": 0.11768
}

Semantic roles & 50–950 ramp

primary

#A63C45

secondary

#7FBEB9

accent

#D7CB51

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140909

muted

#827B7B

Preview Lab

Preview with #A63C45

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

Preview Lab → · Contrast checker → · Palette generator →