#649DFB#649DFB

#649DFB is a light, vivid blue. Relative luminance 0.338; OKLCH L 69.9% C 0.151 H 259.9°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#649DFB
RGBrgb(100, 157, 251)
HSLhsl(217, 95%, 69%)
HSVhsv(217, 60%, 98%)
CMYKcmyk(60.2%, 37.5%, 0%, 1.6%)
CIE-LABlab(64.79, 9.18, -52.44)
CIE-LCHlch(64.79, 53.24, 279.93°)
OKLaboklab(69.92% -0.0265 -0.1489)
OKLCHoklch(69.92% 0.151 259.9)
XYZxyz(34.7190, 33.7852, 95.9396)
Luminance0.3379 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#649DFB #FBC264
analogous
#64E9FB #649DFB #7764FB
triadic
#649DFB #FB649D #9DFB64
tetradic
#649DFB #FB64E9 #FBC264 #64FB77
square
#649DFB #FB64E9 #FBC264 #64FB77
split-complementary
#649DFB #FB7764 #E9FB64
monochromatic
#0658DF #2877F9 #649DFB #A0C3FD #DBE8FE

Accessibility & contrast

On white

2.71
#649DFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.76
#649DFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #649DFB
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##649DFB#FFFFFF#000000##000000
##649DFB1.002.717.767.76
#FFFFFF2.711.0021.0021.00
#0000007.7621.001.001.00
##0000007.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#75A5FF
Deuteranopia (green-blind)
#6097F9
Tritanopia (blue-blind)
#00B2C0
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #649dfb;
/* rgb */ color: rgb(100, 157, 251);
/* oklch */ color: oklch(69.9% 0.151 259.9);
Tailwind
colors: {
  custom: {
    50: '#9cb9fd',
    500: '#649dfb',
    950: '#000000',
  },
}
SCSS
$custom: #649dfb;
$custom-light: #9cb9fd;
$custom-dark: #000000;
JSON
{
  "hex": "#649dfb",
  "rgb": {
    "r": 100,
    "g": 157,
    "b": 251
  },
  "hsl": {
    "h": 217.351,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.69915,
    "c": 0.1512,
    "h": 259.9
  },
  "luminance": 0.33788
}

Semantic roles & 50–950 ramp

primary
#649DFB
secondary
#F4E3C7
accent
#8F00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #649DFB

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

Preview Lab → · Contrast checker → · Palette generator →

#649DFB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva