#648CEE#648CEE

#648CEE is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.6% C 0.153 H 265.7°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#648CEE
RGB	rgb(100, 140, 238)
HSL	hsl(223, 80%, 66%)
HSV	hsv(223, 58%, 93%)
CMYK	cmyk(58%, 41.2%, 0%, 6.7%)
CIE-LAB	lab(59.56, 14.98, -53.61)
CIE-LCH	lch(59.56, 55.66, 285.61°)
OKLab	oklab(65.65% -0.0116 -0.1525)
OKLCH	oklch(65.65% 0.153 265.7)
XYZ	xyz(30.0610, 27.6361, 84.6225)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CEE #EEC664

analogous

#64D1EE #648CEE #8164EE

triadic

#648CEE #EE648C #8CEE64

tetradic

#648CEE #EE64D1 #EEC664 #64EE81

square

#648CEE #EE64D1 #EEC664 #64EE81

split-complementary

#648CEE #EE8164 #D1EE64

monochromatic

#1547C2 #2D63E8 #648CEE #9BB5F4 #D2DEFA

Accessibility & contrast

On white

3.22

#648CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#648CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CEE

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CEE	#FFFFFF	#000000	##000000
##648CEE	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4F8AEC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648cee;
/* rgb */ color: rgb(100, 140, 238);
/* oklch */ color: oklch(65.6% 0.153 265.7);

Tailwind

colors: {
  custom: {
    50: '#9aadf4',
    500: '#648cee',
    950: '#000000',
  },
}

SCSS

$custom: #648cee;
$custom-light: #9aadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#648cee",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 238
  },
  "hsl": {
    "h": 222.609,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65649,
    "c": 0.1529,
    "h": 265.7
  },
  "luminance": 0.27639
}

Semantic roles & 50–950 ramp

primary

#648CEE

secondary

#EDE0C0

accent

#9F09DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CEE

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

Preview Lab → · Contrast checker → · Palette generator →