#648BE4#648BE4

#648BE4 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.140 H 264.9°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#648BE4
RGB	rgb(100, 139, 228)
HSL	hsl(222, 70%, 64%)
HSV	hsv(222, 56%, 89%)
CMYK	cmyk(56.1%, 39%, 0%, 10.6%)
CIE-LAB	lab(58.76, 12.35, -49.32)
CIE-LCH	lch(58.76, 50.84, 284.06°)
OKLab	oklab(64.86% -0.0125 -0.1399)
OKLCH	oklch(64.86% 0.14 264.9)
XYZ	xyz(28.4870, 26.7738, 77.0504)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BE4 #E4BD64

analogous

#64CBE4 #648BE4 #7D64E4

triadic

#648BE4 #E4648B #8BE464

tetradic

#648BE4 #E464CB #E4BD64 #64E47D

square

#648BE4 #E464CB #E4BD64 #64E47D

split-complementary

#648BE4 #E47D64 #CBE464

monochromatic

#1F4BAF #3064DB #648BE4 #98B2ED #CCD9F6

Accessibility & contrast

On white

3.30

#648BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#648BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BE4

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BE4	#FFFFFF	#000000	##000000
##648BE4	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6694E8

Deuteranopia (green-blind)

#5688E2

Tritanopia (blue-blind)

#059FAC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648be4;
/* rgb */ color: rgb(100, 139, 228);
/* oklch */ color: oklch(64.9% 0.140 264.9);

Tailwind

colors: {
  custom: {
    50: '#99aced',
    500: '#648be4',
    950: '#000000',
  },
}

SCSS

$custom: #648be4;
$custom-light: #99aced;
$custom-dark: #000000;

JSON

{
  "hex": "#648be4",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 228
  },
  "hsl": {
    "h": 221.719,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.64865,
    "c": 0.14047,
    "h": 264.9
  },
  "luminance": 0.26776
}

Semantic roles & 50–950 ramp

primary

#648BE4

secondary

#E8DBBC

accent

#9813D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648BE4

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

Preview Lab → · Contrast checker → · Palette generator →