#648CF2#648CF2

#648CF2 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.9% C 0.158 H 266.1°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#648CF2
RGB	rgb(100, 140, 242)
HSL	hsl(223, 85%, 67%)
HSV	hsv(223, 59%, 95%)
CMYK	cmyk(58.7%, 42.1%, 0%, 5.1%)
CIE-LAB	lab(59.77, 16.28, -55.48)
CIE-LCH	lch(59.77, 57.81, 286.35°)
OKLab	oklab(65.89% -0.0109 -0.1579)
OKLCH	oklch(65.89% 0.158 266.1)
XYZ	xyz(30.6552, 27.8738, 87.7519)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF2 #F2CA64

analogous

#64D3F2 #648CF2 #8364F2

triadic

#648CF2 #F2648C #8CF264

tetradic

#648CF2 #F264D3 #F2CA64 #64F283

square

#648CF2 #F264D3 #F2CA64 #64F283

split-complementary

#648CF2 #F28364 #D3F264

monochromatic

#1145CB #2C62ED #648CF2 #9CB6F7 #D5E0FB

Accessibility & contrast

On white

3.19

#648CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#648CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF2	#FFFFFF	#000000	##000000
##648CF2	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F97F6

Deuteranopia (green-blind)

#4B8AF0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648cf2;
/* rgb */ color: rgb(100, 140, 242);
/* oklch */ color: oklch(65.9% 0.158 266.1);

Tailwind

colors: {
  custom: {
    50: '#9badf7',
    500: '#648cf2',
    950: '#000000',
  },
}

SCSS

$custom: #648cf2;
$custom-light: #9badf7;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf2",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 242
  },
  "hsl": {
    "h": 223.099,
    "s": 84.524,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65885,
    "c": 0.1583,
    "h": 266.1
  },
  "luminance": 0.27876
}

Semantic roles & 50–950 ramp

primary

#648CF2

secondary

#EFE3C2

accent

#A305E1

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF2

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

Preview Lab → · Contrast checker → · Palette generator →