#648FE8#648FE8

#648FE8 is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.9% C 0.141 H 263.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#648FE8
RGB	rgb(100, 143, 232)
HSL	hsl(220, 74%, 65%)
HSV	hsv(220, 57%, 91%)
CMYK	cmyk(56.9%, 38.4%, 0%, 9%)
CIE-LAB	lab(60.05, 11.26, -49.51)
CIE-LCH	lch(60.05, 50.77, 282.82°)
OKLab	oklab(65.93% -0.016 -0.1404)
OKLCH	oklch(65.93% 0.141 263.5)
XYZ	xyz(29.6385, 28.1780, 80.2053)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FE8 #E8BD64

analogous

#64D1E8 #648FE8 #7B64E8

triadic

#648FE8 #E8648F #8FE864

tetradic

#648FE8 #E864D1 #E8BD64 #64E87B

square

#648FE8 #E864D1 #E8BD64 #64E87B

split-complementary

#648FE8 #E87B64 #D1E864

monochromatic

#1B4EB7 #2F68E0 #648FE8 #99B6F0 #CFDCF8

Accessibility & contrast

On white

3.16

#648FE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#648FE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FE8

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FE8	#FFFFFF	#000000	##000000
##648FE8	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A97EC

Deuteranopia (green-blind)

#598BE6

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648fe8;
/* rgb */ color: rgb(100, 143, 232);
/* oklch */ color: oklch(65.9% 0.141 263.5);

Tailwind

colors: {
  custom: {
    50: '#99aff0',
    500: '#648fe8',
    950: '#000000',
  },
}

SCSS

$custom: #648fe8;
$custom-light: #99aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#648fe8",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 232
  },
  "hsl": {
    "h": 220.455,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65926,
    "c": 0.14132,
    "h": 263.5
  },
  "luminance": 0.2818
}

Semantic roles & 50–950 ramp

primary

#648FE8

secondary

#EADCBE

accent

#950FD6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648FE8

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

Preview Lab → · Contrast checker → · Palette generator →