#648CEA#648CEA

#648CEA is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.4% C 0.147 H 265.2°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#648CEA
RGB	rgb(100, 140, 234)
HSL	hsl(222, 76%, 65%)
HSV	hsv(222, 57%, 92%)
CMYK	cmyk(57.3%, 40.2%, 0%, 8.2%)
CIE-LAB	lab(59.35, 13.69, -51.73)
CIE-LCH	lch(59.35, 53.51, 284.82°)
OKLab	oklab(65.42% -0.0124 -0.1469)
OKLCH	oklch(65.42% 0.147 265.2)
XYZ	xyz(29.4798, 27.4036, 81.5619)
Luminance	0.2741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CEA #EAC264

analogous

#64CFEA #648CEA #7F64EA

triadic

#648CEA #EA648C #8CEA64

tetradic

#648CEA #EA64CF #EAC264 #64EA7F

square

#648CEA #EA64CF #EAC264 #64EA7F

split-complementary

#648CEA #EA7F64 #CFEA64

monochromatic

#1949BA #2E64E3 #648CEA #9AB4F1 #D0DCF9

Accessibility & contrast

On white

3.24

#648CEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#648CEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CEA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CEA	#FFFFFF	#000000	##000000
##648CEA	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6495EE

Deuteranopia (green-blind)

#5289E8

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648cea;
/* rgb */ color: rgb(100, 140, 234);
/* oklch */ color: oklch(65.4% 0.147 265.2);

Tailwind

colors: {
  custom: {
    50: '#9aadf1',
    500: '#648cea',
    950: '#000000',
  },
}

SCSS

$custom: #648cea;
$custom-light: #9aadf1;
$custom-dark: #000000;

JSON

{
  "hex": "#648cea",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 234
  },
  "hsl": {
    "h": 222.09,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65416,
    "c": 0.14747,
    "h": 265.2
  },
  "luminance": 0.27406
}

Semantic roles & 50–950 ramp

primary

#648CEA

secondary

#EBDEBE

accent

#9C0DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CEA

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

Preview Lab → · Contrast checker → · Palette generator →