#A63751#A63751

#A63751 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.146 H 10.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A63751
RGB	rgb(166, 55, 81)
HSL	hsl(346, 50%, 43%)
HSV	hsv(346, 67%, 65%)
CMYK	cmyk(0%, 66.9%, 51.2%, 34.9%)
CIE-LAB	lab(40.30, 47.48, 9.92)
CIE-LCH	lch(40.30, 48.51, 11.80°)
OKLab	oklab(50.4% 0.1441 0.0254)
OKLCH	oklch(50.4% 0.146 10)
XYZ	xyz(18.5788, 11.4358, 9.0120)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63751 #37A68C

analogous

#A63788 #A63751 #A65437

triadic

#A63751 #51A637 #3751A6

tetradic

#A63751 #88A637 #37A68C #5437A6

square

#A63751 #88A637 #37A68C #5437A6

split-complementary

#A63751 #37A654 #3788A6

monochromatic

#4A1924 #78283B #A63751 #C6546F #D68295

Accessibility & contrast

On white

6.39

#A63751 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A63751 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63751

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63751	#FFFFFF	#000000	##FFFFFF
##A63751	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515151

Deuteranopia (green-blind)

#6D674E

Tritanopia (blue-blind)

#B52441

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63751;
/* rgb */ color: rgb(166, 55, 81);
/* oklch */ color: oklch(50.4% 0.146 10.0);

Tailwind

colors: {
  custom: {
    50: '#c67581',
    500: '#a63751',
    950: '#000000',
  },
}

SCSS

$custom: #a63751;
$custom-light: #c67581;
$custom-dark: #000000;

JSON

{
  "hex": "#a63751",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 345.946,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50403,
    "c": 0.14629,
    "h": 10
  },
  "luminance": 0.11433
}

Semantic roles & 50–950 ramp

primary

#A63751

secondary

#7ABFAF

accent

#DAB94E

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A63751

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

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