#FF636C#FF636C

#FF636C is a light, vivid red. Relative luminance 0.313; OKLCH L 70.2% C 0.190 H 20.1°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#FF636C
RGB	rgb(255, 99, 108)
HSL	hsl(357, 100%, 69%)
HSV	hsv(357, 61%, 100%)
CMYK	cmyk(0%, 61.2%, 57.6%, 0%)
CIE-LAB	lab(62.74, 59.93, 26.66)
CIE-LCH	lch(62.74, 65.59, 23.98°)
OKLab	oklab(70.19% 0.1784 0.0652)
OKLCH	oklch(70.19% 0.19 20.1)
XYZ	xyz(48.4130, 31.2727, 17.6713)
Luminance	0.3127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF636C #63FFF6

analogous

#FF63BA #FF636C #FFA863

triadic

#FF636C #6CFF63 #636CFF

tetradic

#FF636C #BAFF63 #63FFF6 #A863FF

square

#FF636C #BAFF63 #63FFF6 #A863FF

split-complementary

#FF636C #63FFA8 #63BAFF

monochromatic

#E8000D #FF2632 #FF636C #FFA0A6 #FFDDDF

Accessibility & contrast

On white

2.90

#FF636C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#FF636C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF636C

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF636C	#FFFFFF	#000000	##000000
##FF636C	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A836B

Deuteranopia (green-blind)

#B1A468

Tritanopia (blue-blind)

#FF4567

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff636c;
/* rgb */ color: rgb(255, 99, 108);
/* oklch */ color: oklch(70.2% 0.190 20.1);

Tailwind

colors: {
  custom: {
    50: '#ff9696',
    500: '#ff636c',
    950: '#000000',
  },
}

SCSS

$custom: #ff636c;
$custom-light: #ff9696;
$custom-dark: #000000;

JSON

{
  "hex": "#ff636c",
  "rgb": {
    "r": 255,
    "g": 99,
    "b": 108
  },
  "hsl": {
    "h": 356.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70192,
    "c": 0.18992,
    "h": 20.1
  },
  "luminance": 0.31266
}

Semantic roles & 50–950 ramp

primary

#FF636C

secondary

#C8F5F3

accent

#E6D800

background

#FFF9F9

surface

#FFF2F1

border

#D7CCCB

text

#1A0E0D

muted

#877E7E

Preview Lab

Preview with #FF636C

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

Preview Lab → · Contrast checker → · Palette generator →