#648DE7#648DE7

#648DE7 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.142 H 264.3°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#648DE7
RGB	rgb(100, 141, 231)
HSL	hsl(221, 73%, 65%)
HSV	hsv(221, 57%, 91%)
CMYK	cmyk(56.7%, 39%, 0%, 9.4%)
CIE-LAB	lab(59.46, 12.12, -49.89)
CIE-LCH	lch(59.46, 51.34, 283.66°)
OKLab	oklab(65.45% -0.014 -0.1415)
OKLCH	oklch(65.45% 0.142 264.3)
XYZ	xyz(29.1993, 27.5263, 79.3602)
Luminance	0.2753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DE7 #E7BE64

analogous

#64CFE7 #648DE7 #7C64E7

triadic

#648DE7 #E7648D #8DE764

tetradic

#648DE7 #E764CF #E7BE64 #64E77C

square

#648DE7 #E764CF #E7BE64 #64E77C

split-complementary

#648DE7 #E77C64 #CFE764

monochromatic

#1C4CB5 #2F66DF #648DE7 #99B4EF #CEDBF7

Accessibility & contrast

On white

3.23

#648DE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#648DE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DE7

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DE7	#FFFFFF	#000000	##000000
##648DE7	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796EB

Deuteranopia (green-blind)

#568AE5

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648de7;
/* rgb */ color: rgb(100, 141, 231);
/* oklch */ color: oklch(65.5% 0.142 264.3);

Tailwind

colors: {
  custom: {
    50: '#99adef',
    500: '#648de7',
    950: '#000000',
  },
}

SCSS

$custom: #648de7;
$custom-light: #99adef;
$custom-dark: #000000;

JSON

{
  "hex": "#648de7",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 231
  },
  "hsl": {
    "h": 221.221,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65452,
    "c": 0.14224,
    "h": 264.3
  },
  "luminance": 0.27529
}

Semantic roles & 50–950 ramp

primary

#648DE7

secondary

#EADCBD

accent

#9810D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648DE7

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

Preview Lab → · Contrast checker → · Palette generator →