#648EF8#648EF8

#648EF8 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.6% C 0.164 H 265.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#648EF8
RGB	rgb(100, 142, 248)
HSL	hsl(223, 91%, 68%)
HSV	hsv(223, 60%, 97%)
CMYK	cmyk(59.7%, 42.7%, 0%, 2.7%)
CIE-LAB	lab(60.63, 17.04, -57.42)
CIE-LCH	lch(60.63, 59.89, 286.53°)
OKLab	oklab(66.65% -0.0119 -0.1636)
OKLCH	oklch(66.65% 0.164 265.9)
XYZ	xyz(31.8660, 28.8299, 92.6742)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF8 #F8CE64

analogous

#64D8F8 #648EF8 #8464F8

triadic

#648EF8 #F8648E #8EF864

tetradic

#648EF8 #F864D8 #F8CE64 #64F884

square

#648EF8 #F864D8 #F8CE64 #64F884

split-complementary

#648EF8 #F88464 #D8F864

monochromatic

#0A44D8 #2963F5 #648EF8 #9FB9FB #D9E3FD

Accessibility & contrast

On white

3.10

#648EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#648EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF8

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF8	#FFFFFF	#000000	##000000
##648EF8	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E99FC

Deuteranopia (green-blind)

#488CF6

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ef8;
/* rgb */ color: rgb(100, 142, 248);
/* oklch */ color: oklch(66.6% 0.164 265.9);

Tailwind

colors: {
  custom: {
    50: '#9caefb',
    500: '#648ef8',
    950: '#000000',
  },
}

SCSS

$custom: #648ef8;
$custom-light: #9caefb;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef8",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 248
  },
  "hsl": {
    "h": 222.973,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.6665,
    "c": 0.16403,
    "h": 265.9
  },
  "luminance": 0.28833
}

Semantic roles & 50–950 ramp

primary

#648EF8

secondary

#F2E6C5

accent

#A400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF8

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

Preview Lab → · Contrast checker → · Palette generator →