#648FD8#648FD8

#648FD8 is a light, moderate blue. Relative luminance 0.273; OKLCH L 65.1% C 0.120 H 260.5°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX#648FD8
RGBrgb(100, 143, 216)
HSLhsl(218, 60%, 62%)
HSVhsv(218, 54%, 85%)
CMYKcmyk(53.7%, 33.8%, 0%, 15.3%)
CIE-LABlab(59.26, 6.18, -41.84)
CIE-LCHlch(59.26, 42.30, 278.40°)
OKLaboklab(65.05% -0.0197 -0.118)
OKLCHoklch(65.05% 0.12 260.5)
XYZxyz(27.4684, 27.3100, 68.7763)
Luminance0.2731 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648FD8 #D8AD64
analogous
#64C9D8 #648FD8 #7364D8
triadic
#648FD8 #D8648F #8FD864
tetradic
#648FD8 #D864C9 #D8AD64 #64D873
square
#648FD8 #D864C9 #D8AD64 #64D873
split-complementary
#648FD8 #D87364 #C9D864
monochromatic
#27529B #336CCC #648FD8 #95B2E4 #C6D6F1

Accessibility & contrast

On white

3.25
#648FD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.46
#648FD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FD8
6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648FD8#FFFFFF#000000##000000
##648FD81.003.256.466.46
#FFFFFF3.251.0021.0021.00
#0000006.4621.001.001.00
##0000006.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7295DB
Deuteranopia (green-blind)
#648AD6
Tritanopia (blue-blind)
#229FA9
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #648fd8;
/* rgb */ color: rgb(100, 143, 216);
/* oklch */ color: oklch(65.1% 0.120 260.5);
Tailwind
colors: {
  custom: {
    50: '#97afe4',
    500: '#648fd8',
    950: '#000000',
  },
}
SCSS
$custom: #648fd8;
$custom-light: #97afe4;
$custom-dark: #000000;
JSON
{
  "hex": "#648fd8",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 217.759,
    "s": 59.794,
    "l": 61.961
  },
  "oklch": {
    "l": 0.65055,
    "c": 0.11969,
    "h": 260.5
  },
  "luminance": 0.27312
}

Semantic roles & 50–950 ramp

primary
#648FD8
secondary
#E1D1B7
accent
#891EC7
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1015
muted
#7E7F84

Preview Lab

Preview with #648FD8

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

Preview Lab → · Contrast checker → · Palette generator →

#648FD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva