#648FE7#648FE7

#648FE7 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.140 H 263.4°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#648FE7
RGB	rgb(100, 143, 231)
HSL	hsl(220, 73%, 65%)
HSV	hsv(220, 57%, 91%)
CMYK	cmyk(56.7%, 38.1%, 0%, 9.4%)
CIE-LAB	lab(60.00, 10.94, -49.03)
CIE-LCH	lch(60.00, 50.24, 282.58°)
OKLab	oklab(65.87% -0.0162 -0.139)
OKLCH	oklch(65.87% 0.14 263.4)
XYZ	xyz(29.4969, 28.1214, 79.4594)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FE7 #E7BC64

analogous

#64D1E7 #648FE7 #7A64E7

triadic

#648FE7 #E7648F #8FE764

tetradic

#648FE7 #E764D1 #E7BC64 #64E77A

square

#648FE7 #E764D1 #E7BC64 #64E77A

split-complementary

#648FE7 #E77A64 #D1E764

monochromatic

#1C4EB5 #2F69DF #648FE7 #99B5EF #CEDCF7

Accessibility & contrast

On white

3.17

#648FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#648FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FE7

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FE7	#FFFFFF	#000000	##000000
##648FE7	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A97EB

Deuteranopia (green-blind)

#598BE5

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648fe7;
/* rgb */ color: rgb(100, 143, 231);
/* oklch */ color: oklch(65.9% 0.140 263.4);

Tailwind

colors: {
  custom: {
    50: '#99afef',
    500: '#648fe7',
    950: '#000000',
  },
}

SCSS

$custom: #648fe7;
$custom-light: #99afef;
$custom-dark: #000000;

JSON

{
  "hex": "#648fe7",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 231
  },
  "hsl": {
    "h": 220.305,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.6587,
    "c": 0.13996,
    "h": 263.4
  },
  "luminance": 0.28124
}

Semantic roles & 50–950 ramp

primary

#648FE7

secondary

#EADBBD

accent

#9510D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648FE7

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

Preview Lab → · Contrast checker → · Palette generator →