#648CDE#648CDE

#648CDE is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.131 H 263.5°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#648CDE
RGB	rgb(100, 140, 222)
HSL	hsl(220, 65%, 63%)
HSV	hsv(220, 55%, 87%)
CMYK	cmyk(55%, 36.9%, 0%, 12.9%)
CIE-LAB	lab(58.73, 9.84, -46.03)
CIE-LCH	lch(58.73, 47.07, 282.07°)
OKLab	oklab(64.74% -0.0149 -0.1303)
OKLCH	oklch(64.74% 0.131 263.5)
XYZ	xyz(27.8140, 26.7373, 72.7882)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CDE #DEB664

analogous

#64C9DE #648CDE #7964DE

triadic

#648CDE #DE648C #8CDE64

tetradic

#648CDE #DE64C9 #DEB664 #64DE79

square

#648CDE #DE64C9 #DEB664 #64DE79

split-complementary

#648CDE #DE7964 #C9DE64

monochromatic

#234EA5 #3267D3 #648CDE #96B1E9 #C9D7F3

Accessibility & contrast

On white

3.31

#648CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#648CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CDE

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CDE	#FFFFFF	#000000	##000000
##648CDE	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B93E1

Deuteranopia (green-blind)

#5C88DC

Tritanopia (blue-blind)

#189EAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648cde;
/* rgb */ color: rgb(100, 140, 222);
/* oklch */ color: oklch(64.7% 0.131 263.5);

Tailwind

colors: {
  custom: {
    50: '#98ade8',
    500: '#648cde',
    950: '#000000',
  },
}

SCSS

$custom: #648cde;
$custom-light: #98ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#648cde",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 222
  },
  "hsl": {
    "h": 220.328,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6474,
    "c": 0.13113,
    "h": 263.5
  },
  "luminance": 0.26739
}

Semantic roles & 50–950 ramp

primary

#648CDE

secondary

#E5D6B9

accent

#9219CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648CDE

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

Preview Lab → · Contrast checker → · Palette generator →