#648DE3#648DE3

#648DE3 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.137 H 263.7°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#648DE3
RGB	rgb(100, 141, 227)
HSL	hsl(221, 69%, 64%)
HSV	hsv(221, 56%, 89%)
CMYK	cmyk(55.9%, 37.9%, 0%, 11%)
CIE-LAB	lab(59.25, 10.84, -47.99)
CIE-LCH	lch(59.25, 49.20, 282.73°)
OKLab	oklab(65.23% -0.0149 -0.136)
OKLCH	oklch(65.23% 0.137 263.7)
XYZ	xyz(28.6408, 27.3029, 76.4189)
Luminance	0.2731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DE3 #E3BA64

analogous

#64CDE3 #648DE3 #7B64E3

triadic

#648DE3 #E3648D #8DE364

tetradic

#648DE3 #E364CD #E3BA64 #64E37B

square

#648DE3 #E364CD #E3BA64 #64E37B

split-complementary

#648DE3 #E37B64 #CDE364

monochromatic

#1F4DAD #3067DA #648DE3 #98B3EC #CCD9F6

Accessibility & contrast

On white

3.25

#648DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#648DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DE3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DE3	#FFFFFF	#000000	##000000
##648DE3	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6995E6

Deuteranopia (green-blind)

#5989E1

Tritanopia (blue-blind)

#07A0AD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648de3;
/* rgb */ color: rgb(100, 141, 227);
/* oklch */ color: oklch(65.2% 0.137 263.7);

Tailwind

colors: {
  custom: {
    50: '#99aeec',
    500: '#648de3',
    950: '#000000',
  },
}

SCSS

$custom: #648de3;
$custom-light: #99aeec;
$custom-dark: #000000;

JSON

{
  "hex": "#648de3",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 220.63,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65227,
    "c": 0.1368,
    "h": 263.7
  },
  "luminance": 0.27305
}

Semantic roles & 50–950 ramp

primary

#648DE3

secondary

#E8D9BB

accent

#9414D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648DE3

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

Preview Lab → · Contrast checker → · Palette generator →