#648ED7#648ED7

#648ED7 is a light, moderate blue. Relative luminance 0.270; OKLCH L 64.8% C 0.119 H 260.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#648ED7
RGBrgb(100, 142, 215)
HSLhsl(218, 59%, 62%)
HSVhsv(218, 53%, 84%)
CMYKcmyk(53.5%, 34%, 0%, 15.7%)
CIE-LABlab(58.94, 6.45, -41.79)
CIE-LCHlch(58.94, 42.29, 278.77°)
OKLaboklab(64.79% -0.0188 -0.1179)
OKLCHoklch(64.79% 0.119 260.9)
XYZxyz(27.1901, 26.9596, 68.0477)
Luminance0.2696 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648ED7 #D7AD64
analogous
#64C8D7 #648ED7 #7464D7
triadic
#648ED7 #D7648E #8ED764
tetradic
#648ED7 #D764C8 #D7AD64 #64D774
square
#648ED7 #D764C8 #D7AD64 #64D774
split-complementary
#648ED7 #D77464 #C8D764
monochromatic
#285199 #346BCA #648ED7 #95B1E4 #C5D5F0

Accessibility & contrast

On white

3.29
#648ED7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.39
#648ED7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ED7
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648ED7#FFFFFF#000000##000000
##648ED71.003.296.396.39
#FFFFFF3.291.0021.0021.00
#0000006.3921.001.001.00
##0000006.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7194DA
Deuteranopia (green-blind)
#6389D5
Tritanopia (blue-blind)
#249EA8
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #648ed7;
/* rgb */ color: rgb(100, 142, 215);
/* oklch */ color: oklch(64.8% 0.119 260.9);
Tailwind
colors: {
  custom: {
    50: '#97aee3',
    500: '#648ed7',
    950: '#000000',
  },
}
SCSS
$custom: #648ed7;
$custom-light: #97aee3;
$custom-dark: #000000;
JSON
{
  "hex": "#648ed7",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 215
  },
  "hsl": {
    "h": 218.087,
    "s": 58.974,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64788,
    "c": 0.11941,
    "h": 260.9
  },
  "luminance": 0.26962
}

Semantic roles & 50–950 ramp

primary
#648ED7
secondary
#E1D1B6
accent
#891FC7
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #648ED7

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

Preview Lab → · Contrast checker → · Palette generator →

#648ED7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva