#FF646B#FF646B

#FF646B is a light, vivid red. Relative luminance 0.314; OKLCH L 70.3% C 0.189 H 20.7°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#FF646B
RGBrgb(255, 100, 107)
HSLhsl(357, 100%, 70%)
HSVhsv(357, 61%, 100%)
CMYKcmyk(0%, 60.8%, 58%, 0%)
CIE-LABlab(62.88, 59.43, 27.42)
CIE-LCHlch(62.88, 65.45, 24.76°)
OKLaboklab(70.29% 0.1767 0.0669)
OKLCHoklch(70.29% 0.189 20.7)
XYZxyz(48.4554, 31.4422, 17.4244)
Luminance0.3144 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FF646B #64FFF8
analogous
#FF64B9 #FF646B #FFAA64
triadic
#FF646B #6BFF64 #646BFF
tetradic
#FF646B #B9FF64 #64FFF8 #AA64FF
square
#FF646B #B9FF64 #64FFF8 #AA64FF
split-complementary
#FF646B #64FFAA #64B9FF
monochromatic
#E9000B #FF2731 #FF646B #FFA1A5 #FFDEE0

Accessibility & contrast

On white

2.88
#FF646B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.29
#FF646B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF646B
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FF646B#FFFFFF#000000##000000
##FF646B1.002.887.297.29
#FFFFFF2.881.0021.0021.00
#0000007.2921.001.001.00
##0000007.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B846A
Deuteranopia (green-blind)
#B2A467
Tritanopia (blue-blind)
#FF4668
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #ff646b;
/* rgb */ color: rgb(255, 100, 107);
/* oklch */ color: oklch(70.3% 0.189 20.7);
Tailwind
colors: {
  custom: {
    50: '#ff9695',
    500: '#ff646b',
    950: '#000000',
  },
}
SCSS
$custom: #ff646b;
$custom-light: #ff9695;
$custom-dark: #000000;
JSON
{
  "hex": "#ff646b",
  "rgb": {
    "r": 255,
    "g": 100,
    "b": 107
  },
  "hsl": {
    "h": 357.29,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.70292,
    "c": 0.18889,
    "h": 20.7
  },
  "luminance": 0.31436
}

Semantic roles & 50–950 ramp

primary
#FF646B
secondary
#C9F6F4
accent
#E6DB00
background
#FFF9F9
surface
#FFF2F1
border
#D7CCCB
text
#1A0E0D
muted
#877E7E

Preview Lab

Preview with #FF646B

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

Preview Lab → · Contrast checker → · Palette generator →

#FF646B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva