#648EF3#648EF3

#648EF3 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.157 H 265.4°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#648EF3
RGB	rgb(100, 142, 243)
HSL	hsl(222, 86%, 67%)
HSV	hsv(222, 59%, 95%)
CMYK	cmyk(58.8%, 41.6%, 0%, 4.7%)
CIE-LAB	lab(60.36, 15.41, -55.10)
CIE-LCH	lch(60.36, 57.21, 285.63°)
OKLab	oklab(66.35% -0.0127 -0.1568)
OKLCH	oklch(66.35% 0.157 265.4)
XYZ	xyz(31.1007, 28.5238, 88.6433)
Luminance	0.2853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF3 #F3C964

analogous

#64D5F3 #648EF3 #8264F3

triadic

#648EF3 #F3648E #8EF364

tetradic

#648EF3 #F364D5 #F3C964 #64F382

square

#648EF3 #F364D5 #F3C964 #64F382

split-complementary

#648EF3 #F38264 #D5F364

monochromatic

#1047CD #2B65EF #648EF3 #9DB7F7 #D6E1FC

Accessibility & contrast

On white

3.13

#648EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#648EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF3

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF3	#FFFFFF	#000000	##000000
##648EF3	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6198F7

Deuteranopia (green-blind)

#4E8BF1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648ef3;
/* rgb */ color: rgb(100, 142, 243);
/* oklch */ color: oklch(66.4% 0.157 265.4);

Tailwind

colors: {
  custom: {
    50: '#9baef7',
    500: '#648ef3',
    950: '#000000',
  },
}

SCSS

$custom: #648ef3;
$custom-light: #9baef7;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef3",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 243
  },
  "hsl": {
    "h": 222.378,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.66353,
    "c": 0.15731,
    "h": 265.4
  },
  "luminance": 0.28526
}

Semantic roles & 50–950 ramp

primary

#648EF3

secondary

#F0E3C3

accent

#A103E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF3

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

Preview Lab → · Contrast checker → · Palette generator →