#648CEB#648CEB

#648CEB is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.149 H 265.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#648CEB
RGB	rgb(100, 140, 235)
HSL	hsl(222, 77%, 66%)
HSV	hsv(222, 57%, 92%)
CMYK	cmyk(57.4%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(59.40, 14.01, -52.20)
CIE-LCH	lch(59.40, 54.05, 285.02°)
OKLab	oklab(65.47% -0.0122 -0.1483)
OKLCH	oklch(65.47% 0.149 265.3)
XYZ	xyz(29.6239, 27.4612, 82.3206)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CEB #EBC364

analogous

#64D0EB #648CEB #7F64EB

triadic

#648CEB #EB648C #8CEB64

tetradic

#648CEB #EB64D0 #EBC364 #64EB7F

square

#648CEB #EB64D0 #EBC364 #64EB7F

split-complementary

#648CEB #EB7F64 #D0EB64

monochromatic

#1849BC #2E64E4 #648CEB #9AB4F2 #D0DCF9

Accessibility & contrast

On white

3.23

#648CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#648CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CEB

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CEB	#FFFFFF	#000000	##000000
##648CEB	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396EF

Deuteranopia (green-blind)

#5189E9

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648ceb;
/* rgb */ color: rgb(100, 140, 235);
/* oklch */ color: oklch(65.5% 0.149 265.3);

Tailwind

colors: {
  custom: {
    50: '#9aadf2',
    500: '#648ceb',
    950: '#000000',
  },
}

SCSS

$custom: #648ceb;
$custom-light: #9aadf2;
$custom-dark: #000000;

JSON

{
  "hex": "#648ceb",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 222.222,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65474,
    "c": 0.14883,
    "h": 265.3
  },
  "luminance": 0.27464
}

Semantic roles & 50–950 ramp

primary

#648CEB

secondary

#ECDFBF

accent

#9D0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CEB

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

Preview Lab → · Contrast checker → · Palette generator →