#A63C41#A63C41

#A63C41 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.6% C 0.140 H 20.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#A63C41
RGB	rgb(166, 60, 65)
HSL	hsl(357, 47%, 44%)
HSV	hsv(357, 64%, 65%)
CMYK	cmyk(0%, 63.9%, 60.8%, 34.9%)
CIE-LAB	lab(40.77, 44.00, 20.53)
CIE-LCH	lch(40.77, 48.55, 25.02°)
OKLab	oklab(50.64% 0.1306 0.0498)
OKLCH	oklch(50.64% 0.14 20.9)
XYZ	xyz(18.2976, 11.7228, 6.2992)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C41 #3CA6A1

analogous

#A63C76 #A63C41 #A66C3C

triadic

#A63C41 #41A63C #3C41A6

tetradic

#A63C41 #76A63C #3CA6A1 #6C3CA6

square

#A63C41 #76A63C #3CA6A1 #6C3CA6

split-complementary

#A63C41 #3CA66C #3C76A6

monochromatic

#4C1C1E #792C2F #A63C41 #C45B60 #D4888C

Accessibility & contrast

On white

6.28

#A63C41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A63C41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C41

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C41	#FFFFFF	#000000	##FFFFFF
##A63C41	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575240

Deuteranopia (green-blind)

#72683E

Tritanopia (blue-blind)

#B6273F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63c41;
/* rgb */ color: rgb(166, 60, 65);
/* oklch */ color: oklch(50.6% 0.140 20.9);

Tailwind

colors: {
  custom: {
    50: '#c67775',
    500: '#a63c41',
    950: '#000000',
  },
}

SCSS

$custom: #a63c41;
$custom-light: #c67775;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c41",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 65
  },
  "hsl": {
    "h": 357.17,
    "s": 46.903,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5064,
    "c": 0.13979,
    "h": 20.9
  },
  "luminance": 0.1172
}

Semantic roles & 50–950 ramp

primary

#A63C41

secondary

#7FBEBB

accent

#D7D051

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63C41

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

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