#648CE7#648CE7

#648CE7 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.143 H 264.8°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#648CE7
RGB	rgb(100, 140, 231)
HSL	hsl(222, 73%, 65%)
HSV	hsv(222, 57%, 91%)
CMYK	cmyk(56.7%, 39.4%, 0%, 9.4%)
CIE-LAB	lab(59.19, 12.72, -50.31)
CIE-LCH	lch(59.19, 51.90, 284.19°)
OKLab	oklab(65.24% -0.013 -0.1428)
OKLCH	oklch(65.24% 0.143 264.8)
XYZ	xyz(29.0525, 27.2327, 79.3113)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CE7 #E7BF64

analogous

#64CEE7 #648CE7 #7D64E7

triadic

#648CE7 #E7648C #8CE764

tetradic

#648CE7 #E764CE #E7BF64 #64E77D

square

#648CE7 #E764CE #E7BF64 #64E77D

split-complementary

#648CE7 #E77D64 #CEE764

monochromatic

#1C4BB5 #2F65DF #648CE7 #99B3EF #CEDBF7

Accessibility & contrast

On white

3.26

#648CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#648CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CE7

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CE7	#FFFFFF	#000000	##000000
##648CE7	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EB

Deuteranopia (green-blind)

#5589E5

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648ce7;
/* rgb */ color: rgb(100, 140, 231);
/* oklch */ color: oklch(65.2% 0.143 264.8);

Tailwind

colors: {
  custom: {
    50: '#99adef',
    500: '#648ce7',
    950: '#000000',
  },
}

SCSS

$custom: #648ce7;
$custom-light: #99adef;
$custom-dark: #000000;

JSON

{
  "hex": "#648ce7",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 231
  },
  "hsl": {
    "h": 221.679,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65244,
    "c": 0.1434,
    "h": 264.8
  },
  "luminance": 0.27235
}

Semantic roles & 50–950 ramp

primary

#648CE7

secondary

#EADCBD

accent

#9910D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648CE7

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

Preview Lab → · Contrast checker → · Palette generator →