#648FAA#648FAA

#648FAA is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.062 H 236.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#648FAA
RGBrgb(100, 143, 170)
HSLhsl(203, 29%, 53%)
HSVhsv(203, 41%, 67%)
CMYKcmyk(41.2%, 15.9%, 0%, 33.3%)
CIE-LABlab(57.32, -7.52, -18.85)
CIE-LCHlch(57.32, 20.29, 248.25°)
OKLaboklab(62.9% -0.0342 -0.052)
OKLCHoklch(62.9% 0.062 236.6)
XYZxyz(22.3312, 25.2551, 41.7204)
Luminance0.2526 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648FAA #AA7F64
analogous
#64AAA2 #648FAA #646CAA
triadic
#648FAA #AA648F #8FAA64
tetradic
#648FAA #A264AA #AA7F64 #6CAA64
square
#648FAA #A264AA #AA7F64 #6CAA64
split-complementary
#648FAA #AA646C #AAA264
monochromatic
#344F5F #4A6F87 #648FAA #8CACC0 #B3C8D5

Accessibility & contrast

On white

3.47
#648FAA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#648FAA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FAA
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648FAA#FFFFFF#000000##000000
##648FAA1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#838EAB
Deuteranopia (green-blind)
#7986AA
Tritanopia (blue-blind)
#499698
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #648faa;
/* rgb */ color: rgb(100, 143, 170);
/* oklch */ color: oklch(62.9% 0.062 236.6);
Tailwind
colors: {
  custom: {
    50: '#93afc3',
    500: '#648faa',
    950: '#000000',
  },
}
SCSS
$custom: #648faa;
$custom-light: #93afc3;
$custom-dark: #000000;
JSON
{
  "hex": "#648faa",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 203.143,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62897,
    "c": 0.06229,
    "h": 236.6
  },
  "luminance": 0.25257
}

Semantic roles & 50–950 ramp

primary
#648FAA
secondary
#C4B1A6
accent
#8962C5
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1012
muted
#7E7F81

Preview Lab

Preview with #648FAA

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

Preview Lab → · Contrast checker → · Palette generator →

#648FAA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva