#648EE5#648EE5

#648EE5 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.138 H 263.5°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#648EE5
RGB	rgb(100, 142, 229)
HSL	hsl(220, 71%, 65%)
HSV	hsv(220, 56%, 90%)
CMYK	cmyk(56.3%, 38%, 0%, 10.2%)
CIE-LAB	lab(59.63, 10.89, -48.51)
CIE-LCH	lch(59.63, 49.72, 282.65°)
OKLab	oklab(65.55% -0.0155 -0.1375)
OKLCH	oklch(65.55% 0.138 263.5)
XYZ	xyz(29.0666, 27.7101, 77.9304)
Luminance	0.2771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EE5 #E5BB64

analogous

#64CFE5 #648EE5 #7B64E5

triadic

#648EE5 #E5648E #8EE564

tetradic

#648EE5 #E564CF #E5BB64 #64E57B

square

#648EE5 #E564CF #E5BB64 #64E57B

split-complementary

#648EE5 #E57B64 #CFE564

monochromatic

#1E4EB1 #3068DC #648EE5 #98B4EE #CDDAF7

Accessibility & contrast

On white

3.21

#648EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#648EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EE5

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EE5	#FFFFFF	#000000	##000000
##648EE5	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E8

Deuteranopia (green-blind)

#598AE3

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648ee5;
/* rgb */ color: rgb(100, 142, 229);
/* oklch */ color: oklch(65.5% 0.138 263.5);

Tailwind

colors: {
  custom: {
    50: '#99aeed',
    500: '#648ee5',
    950: '#000000',
  },
}

SCSS

$custom: #648ee5;
$custom-light: #99aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#648ee5",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 229
  },
  "hsl": {
    "h": 220.465,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65548,
    "c": 0.13839,
    "h": 263.5
  },
  "luminance": 0.27712
}

Semantic roles & 50–950 ramp

primary

#648EE5

secondary

#E9DABC

accent

#9412D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648EE5

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

Preview Lab → · Contrast checker → · Palette generator →