#A63D41#A63D41

#A63D41 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.139 H 21.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#A63D41
RGB	rgb(166, 61, 65)
HSL	hsl(358, 46%, 45%)
HSV	hsv(358, 63%, 65%)
CMYK	cmyk(0%, 63.3%, 60.8%, 34.9%)
CIE-LAB	lab(40.94, 43.54, 20.75)
CIE-LCH	lch(40.94, 48.23, 25.48°)
OKLab	oklab(50.77% 0.1292 0.0503)
OKLCH	oklch(50.77% 0.139 21.3)
XYZ	xyz(18.3505, 11.8286, 6.3168)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D41 #3DA6A2

analogous

#A63D76 #A63D41 #A66D3D

triadic

#A63D41 #41A63D #3D41A6

tetradic

#A63D41 #76A63D #3DA6A2 #6D3DA6

square

#A63D41 #76A63D #3DA6A2 #6D3DA6

split-complementary

#A63D41 #3DA66D #3D76A6

monochromatic

#4C1C1E #792D2F #A63D41 #C35D61 #D48A8C

Accessibility & contrast

On white

6.24

#A63D41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A63D41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D41

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D41	#FFFFFF	#000000	##FFFFFF
##A63D41	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575340

Deuteranopia (green-blind)

#72693E

Tritanopia (blue-blind)

#B6283F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63d41;
/* rgb */ color: rgb(166, 61, 65);
/* oklch */ color: oklch(50.8% 0.139 21.3);

Tailwind

colors: {
  custom: {
    50: '#c67875',
    500: '#a63d41',
    950: '#000000',
  },
}

SCSS

$custom: #a63d41;
$custom-light: #c67875;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d41",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 65
  },
  "hsl": {
    "h": 357.714,
    "s": 46.256,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50768,
    "c": 0.13863,
    "h": 21.3
  },
  "luminance": 0.11826
}

Semantic roles & 50–950 ramp

primary

#A63D41

secondary

#80BEBC

accent

#D6D152

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A63D41

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

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