#648AED#648AED

#648AED is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.2% C 0.154 H 266.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#648AED
RGBrgb(100, 138, 237)
HSLhsl(223, 79%, 66%)
HSVhsv(223, 58%, 93%)
CMYKcmyk(57.8%, 41.8%, 0%, 7.1%)
CIE-LABlab(58.97, 15.85, -53.99)
CIE-LCHlch(58.97, 56.27, 286.36°)
OKLaboklab(65.18% -0.0097 -0.1536)
OKLCHoklch(65.18% 0.154 266.4)
XYZxyz(29.6249, 26.9983, 83.7544)
Luminance0.2700 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648AED #EDC764
analogous
#64CEED #648AED #8264ED
triadic
#648AED #ED648A #8AED64
tetradic
#648AED #ED64CE #EDC764 #64ED82
square
#648AED #ED64CE #EDC764 #64ED82
split-complementary
#648AED #ED8264 #CEED64
monochromatic
#1645C0 #2D61E7 #648AED #9BB3F3 #D2DDFA

Accessibility & contrast

On white

3.28
#648AED on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#648AED on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AED
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648AED#FFFFFF#000000##000000
##648AED1.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F95F1
Deuteranopia (green-blind)
#4C88EB
Tritanopia (blue-blind)
#00A0B0
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #648aed;
/* rgb */ color: rgb(100, 138, 237);
/* oklch */ color: oklch(65.2% 0.154 266.4);
Tailwind
colors: {
  custom: {
    50: '#9aabf3',
    500: '#648aed',
    950: '#000000',
  },
}
SCSS
$custom: #648aed;
$custom-light: #9aabf3;
$custom-dark: #000000;
JSON
{
  "hex": "#648aed",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 237
  },
  "hsl": {
    "h": 223.358,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65181,
    "c": 0.15389,
    "h": 266.4
  },
  "luminance": 0.27001
}

Semantic roles & 50–950 ramp

primary
#648AED
secondary
#EDE0C0
accent
#A10ADB
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #648AED

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

Preview Lab → · Contrast checker → · Palette generator →

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