#FF646C#FF646C

#FF646C is a light, vivid red. Relative luminance 0.315; OKLCH L 70.3% C 0.189 H 20.3°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#FF646C
RGBrgb(255, 100, 108)
HSLhsl(357, 100%, 70%)
HSVhsv(357, 61%, 100%)
CMYKcmyk(0%, 60.8%, 57.6%, 0%)
CIE-LABlab(62.90, 59.50, 26.87)
CIE-LCHlch(62.90, 65.29, 24.30°)
OKLaboklab(70.31% 0.177 0.0657)
OKLCHoklch(70.31% 0.189 20.3)
XYZxyz(48.5083, 31.4634, 17.7031)
Luminance0.3146 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FF646C #64FFF7
analogous
#FF64BA #FF646C #FFA964
triadic
#FF646C #6CFF64 #646CFF
tetradic
#FF646C #BAFF64 #64FFF7 #A964FF
square
#FF646C #BAFF64 #64FFF7 #A964FF
split-complementary
#FF646C #64FFA9 #64BAFF
monochromatic
#E9000C #FF2732 #FF646C #FFA1A6 #FFDEE0

Accessibility & contrast

On white

2.88
#FF646C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.29
#FF646C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF646C
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FF646C#FFFFFF#000000##000000
##FF646C1.002.887.297.29
#FFFFFF2.881.0021.0021.00
#0000007.2921.001.001.00
##0000007.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A846B
Deuteranopia (green-blind)
#B2A468
Tritanopia (blue-blind)
#FF4768
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #ff646c;
/* rgb */ color: rgb(255, 100, 108);
/* oklch */ color: oklch(70.3% 0.189 20.3);
Tailwind
colors: {
  custom: {
    50: '#ff9696',
    500: '#ff646c',
    950: '#000000',
  },
}
SCSS
$custom: #ff646c;
$custom-light: #ff9696;
$custom-dark: #000000;
JSON
{
  "hex": "#ff646c",
  "rgb": {
    "r": 255,
    "g": 100,
    "b": 108
  },
  "hsl": {
    "h": 356.903,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.70311,
    "c": 0.18882,
    "h": 20.3
  },
  "luminance": 0.31457
}

Semantic roles & 50–950 ramp

primary
#FF646C
secondary
#C9F6F3
accent
#E6DA00
background
#FFF9F9
surface
#FFF2F1
border
#D7CCCB
text
#1A0E0D
muted
#877E7E

Preview Lab

Preview with #FF646C

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

Preview Lab → · Contrast checker → · Palette generator →

#FF646C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva