#FF636A#FF636A

#FF636A is a light, vivid red. Relative luminance 0.312; OKLCH L 70.2% C 0.190 H 20.8°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#FF636A
RGB	rgb(255, 99, 106)
HSL	hsl(357, 100%, 69%)
HSV	hsv(357, 61%, 100%)
CMYK	cmyk(0%, 61.2%, 58.4%, 0%)
CIE-LAB	lab(62.70, 59.79, 27.75)
CIE-LCH	lch(62.70, 65.92, 24.90°)
OKLab	oklab(70.15% 0.1776 0.0676)
OKLCH	oklch(70.15% 0.19 20.8)
XYZ	xyz(48.3078, 31.2306, 17.1172)
Luminance	0.3122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF636A #63FFF8

analogous

#FF63B8 #FF636A #FFAA63

triadic

#FF636A #6AFF63 #636AFF

tetradic

#FF636A #B8FF63 #63FFF8 #AA63FF

square

#FF636A #B8FF63 #63FFF8 #AA63FF

split-complementary

#FF636A #63FFAA #63B8FF

monochromatic

#E8000A #FF2630 #FF636A #FFA0A4 #FFDDDF

Accessibility & contrast

On white

2.90

#FF636A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#FF636A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF636A

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF636A	#FFFFFF	#000000	##000000
##FF636A	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8369

Deuteranopia (green-blind)

#B1A466

Tritanopia (blue-blind)

#FF4567

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff636a;
/* rgb */ color: rgb(255, 99, 106);
/* oklch */ color: oklch(70.2% 0.190 20.8);

Tailwind

colors: {
  custom: {
    50: '#ff9694',
    500: '#ff636a',
    950: '#000000',
  },
}

SCSS

$custom: #ff636a;
$custom-light: #ff9694;
$custom-dark: #000000;

JSON

{
  "hex": "#ff636a",
  "rgb": {
    "r": 255,
    "g": 99,
    "b": 106
  },
  "hsl": {
    "h": 357.308,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70154,
    "c": 0.19006,
    "h": 20.8
  },
  "luminance": 0.31224
}

Semantic roles & 50–950 ramp

primary

#FF636A

secondary

#C8F5F3

accent

#E6DB00

background

#FFF9F9

surface

#FFF2F1

border

#D7CCCB

text

#1A0E0D

muted

#877E7E

Preview Lab

Preview with #FF636A

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

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