#648CE9#648CE9

#648CE9 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.146 H 265.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#648CE9
RGB	rgb(100, 140, 233)
HSL	hsl(222, 75%, 65%)
HSV	hsv(222, 57%, 91%)
CMYK	cmyk(57.1%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(59.29, 13.36, -51.26)
CIE-LCH	lch(59.29, 52.97, 284.61°)
OKLab	oklab(65.36% -0.0126 -0.1456)
OKLCH	oklch(65.36% 0.146 265.1)
XYZ	xyz(29.3366, 27.3463, 80.8074)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CE9 #E9C164

analogous

#64CEE9 #648CE9 #7E64E9

triadic

#648CE9 #E9648C #8CE964

tetradic

#648CE9 #E964CE #E9C164 #64E97E

square

#648CE9 #E964CE #E9C164 #64E97E

split-complementary

#648CE9 #E97E64 #CEE964

monochromatic

#1A4AB8 #2E64E1 #648CE9 #9AB4F1 #CFDCF8

Accessibility & contrast

On white

3.25

#648CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#648CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CE9

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CE9	#FFFFFF	#000000	##000000
##648CE9	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495ED

Deuteranopia (green-blind)

#5389E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648ce9;
/* rgb */ color: rgb(100, 140, 233);
/* oklch */ color: oklch(65.4% 0.146 265.1);

Tailwind

colors: {
  custom: {
    50: '#9aadf0',
    500: '#648ce9',
    950: '#000000',
  },
}

SCSS

$custom: #648ce9;
$custom-light: #9aadf0;
$custom-dark: #000000;

JSON

{
  "hex": "#648ce9",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 221.955,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65359,
    "c": 0.14611,
    "h": 265.1
  },
  "luminance": 0.27349
}

Semantic roles & 50–950 ramp

primary

#648CE9

secondary

#EBDDBE

accent

#9B0ED7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CE9

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

Preview Lab → · Contrast checker → · Palette generator →