#648EE8#648EE8

#648EE8 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.7% C 0.142 H 264.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#648EE8
RGB	rgb(100, 142, 232)
HSL	hsl(221, 74%, 65%)
HSV	hsv(221, 57%, 91%)
CMYK	cmyk(56.9%, 38.8%, 0%, 9%)
CIE-LAB	lab(59.78, 11.85, -49.93)
CIE-LCH	lch(59.78, 51.32, 283.35°)
OKLab	oklab(65.72% -0.0149 -0.1417)
OKLCH	oklch(65.72% 0.142 264)
XYZ	xyz(29.4890, 27.8791, 80.1555)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EE8 #E8BE64

analogous

#64D0E8 #648EE8 #7C64E8

triadic

#648EE8 #E8648E #8EE864

tetradic

#648EE8 #E864D0 #E8BE64 #64E87C

square

#648EE8 #E864D0 #E8BE64 #64E87C

split-complementary

#648EE8 #E87C64 #D0E864

monochromatic

#1B4DB7 #2F67E0 #648EE8 #99B5F0 #CFDCF8

Accessibility & contrast

On white

3.19

#648EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#648EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EE8

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EE8	#FFFFFF	#000000	##000000
##648EE8	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)

#6897EC

Deuteranopia (green-blind)

#578AE6

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648ee8;
/* rgb */ color: rgb(100, 142, 232);
/* oklch */ color: oklch(65.7% 0.142 264.0);

Tailwind

colors: {
  custom: {
    50: '#99aef0',
    500: '#648ee8',
    950: '#000000',
  },
}

SCSS

$custom: #648ee8;
$custom-light: #99aef0;
$custom-dark: #000000;

JSON

{
  "hex": "#648ee8",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 232
  },
  "hsl": {
    "h": 220.909,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65717,
    "c": 0.14245,
    "h": 264
  },
  "luminance": 0.27882
}

Semantic roles & 50–950 ramp

primary

#648EE8

secondary

#EADCBE

accent

#970FD6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648EE8

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

Preview Lab → · Contrast checker → · Palette generator →