#647CF1#647CF1

#647CF1 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.176 H 271.7°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#647CF1
RGB	rgb(100, 124, 241)
HSL	hsl(230, 83%, 67%)
HSV	hsv(230, 59%, 95%)
CMYK	cmyk(58.5%, 48.5%, 0%, 5.5%)
CIE-LAB	lab(55.56, 25.58, -61.67)
CIE-LCH	lch(55.56, 66.77, 292.53°)
OKLab	oklab(62.65% 0.0052 -0.1763)
OKLCH	oklch(62.65% 0.176 271.7)
XYZ	xyz(28.3351, 23.4733, 86.2397)
Luminance	0.2348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CF1 #F1D964

analogous

#64C3F1 #647CF1 #9364F1

triadic

#647CF1 #F1647C #7CF164

tetradic

#647CF1 #F164C3 #F1D964 #64F193

square

#647CF1 #F164C3 #F1D964 #64F193

split-complementary

#647CF1 #F19364 #C3F164

monochromatic

#1231C8 #2C4DEC #647CF1 #9CABF6 #D4DBFB

Accessibility & contrast

On white

3.69

#647CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#647CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CF1

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CF1	#FFFFFF	#000000	##000000
##647CF1	1.00	3.69	5.70	5.70
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408CF5

Deuteranopia (green-blind)

#267FEF

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647cf1;
/* rgb */ color: rgb(100, 124, 241);
/* oklch */ color: oklch(62.6% 0.176 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ba1f6',
    500: '#647cf1',
    950: '#000000',
  },
}

SCSS

$custom: #647cf1;
$custom-light: #9ba1f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647cf1",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 241
  },
  "hsl": {
    "h": 229.787,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62646,
    "c": 0.1764,
    "h": 271.7
  },
  "luminance": 0.23476
}

Semantic roles & 50–950 ramp

primary

#647CF1

secondary

#EFE7C2

accent

#BB06E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CF1

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

Preview Lab → · Contrast checker → · Palette generator →