#648BDE#648BDE

#648BDE is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.132 H 264.0°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#648BDE
RGB	rgb(100, 139, 222)
HSL	hsl(221, 65%, 63%)
HSV	hsv(221, 55%, 87%)
CMYK	cmyk(55%, 37.4%, 0%, 12.9%)
CIE-LAB	lab(58.46, 10.43, -46.46)
CIE-LCH	lch(58.46, 47.62, 282.66°)
OKLab	oklab(64.53% -0.0138 -0.1315)
OKLCH	oklch(64.53% 0.132 264)
XYZ	xyz(27.6685, 26.4464, 72.7397)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BDE #DEB764

analogous

#64C8DE #648BDE #7A64DE

triadic

#648BDE #DE648B #8BDE64

tetradic

#648BDE #DE64C8 #DEB764 #64DE7A

square

#648BDE #DE64C8 #DEB764 #64DE7A

split-complementary

#648BDE #DE7A64 #C8DE64

monochromatic

#234CA5 #3265D3 #648BDE #96B1E9 #C9D7F3

Accessibility & contrast

On white

3.34

#648BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#648BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BDE

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BDE	#FFFFFF	#000000	##000000
##648BDE	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6993E1

Deuteranopia (green-blind)

#5A87DC

Tritanopia (blue-blind)

#199DAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648bde;
/* rgb */ color: rgb(100, 139, 222);
/* oklch */ color: oklch(64.5% 0.132 264.0);

Tailwind

colors: {
  custom: {
    50: '#98ace8',
    500: '#648bde',
    950: '#000000',
  },
}

SCSS

$custom: #648bde;
$custom-light: #98ace8;
$custom-dark: #000000;

JSON

{
  "hex": "#648bde",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 220.82,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64529,
    "c": 0.13226,
    "h": 264
  },
  "luminance": 0.26448
}

Semantic roles & 50–950 ramp

primary

#648BDE

secondary

#E5D7B9

accent

#9319CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648BDE

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

Preview Lab → · Contrast checker → · Palette generator →