#647AF0#647AF0

#647AF0 is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.2% C 0.178 H 272.3°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#647AF0
RGBrgb(100, 122, 240)
HSLhsl(231, 82%, 67%)
HSVhsv(231, 58%, 94%)
CMYKcmyk(58.3%, 49.2%, 0%, 5.9%)
CIE-LABlab(54.99, 26.47, -62.03)
CIE-LCHlch(54.99, 67.44, 293.11°)
OKLaboklab(62.2% 0.0071 -0.1774)
OKLCHoklch(62.2% 0.178 272.3)
XYZxyz(27.9380, 22.9175, 85.3725)
Luminance0.2292 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647AF0 #F0DA64
analogous
#64C0F0 #647AF0 #9464F0
triadic
#647AF0 #F0647A #7AF064
tetradic
#647AF0 #F064C0 #F0DA64 #64F094
square
#647AF0 #F064C0 #F0DA64 #64F094
split-complementary
#647AF0 #F09464 #C0F064
monochromatic
#132FC6 #2C4AEB #647AF0 #9CAAF5 #D4DAFB

Accessibility & contrast

On white

3.76
#647AF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.58
#647AF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AF0
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647AF0#FFFFFF#000000##000000
##647AF01.003.765.585.58
#FFFFFF3.761.0021.0021.00
#0000005.5821.001.001.00
##0000005.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#3C8AF4
Deuteranopia (green-blind)
#227EEE
Tritanopia (blue-blind)
#0095AA
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #647af0;
/* rgb */ color: rgb(100, 122, 240);
/* oklch */ color: oklch(62.2% 0.178 272.3);
Tailwind
colors: {
  custom: {
    50: '#9ba0f6',
    500: '#647af0',
    950: '#000000',
  },
}
SCSS
$custom: #647af0;
$custom-light: #9ba0f6;
$custom-dark: #000000;
JSON
{
  "hex": "#647af0",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 240
  },
  "hsl": {
    "h": 230.571,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.62195,
    "c": 0.17754,
    "h": 272.3
  },
  "luminance": 0.2292
}

Semantic roles & 50–950 ramp

primary
#647AF0
secondary
#EEE7C1
accent
#BD07DF
background
#FAF9FF
surface
#F4F2FE
border
#CECCD6
text
#0F0E17
muted
#7F7E85

Preview Lab

Preview with #647AF0

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

Preview Lab → · Contrast checker → · Palette generator →

#647AF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva