#648BD7#648BD7

#648BD7 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.1% C 0.123 H 262.8°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#648BD7
RGB	rgb(100, 139, 215)
HSL	hsl(220, 59%, 62%)
HSV	hsv(220, 53%, 84%)
CMYK	cmyk(53.5%, 35.3%, 0%, 15.7%)
CIE-LAB	lab(58.11, 8.22, -43.09)
CIE-LCH	lch(58.11, 43.87, 280.80°)
OKLab	oklab(64.15% -0.0154 -0.1217)
OKLCH	oklch(64.15% 0.123 262.8)
XYZ	xyz(26.7497, 26.0789, 67.9009)
Luminance	0.2608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BD7 #D7B064

analogous

#64C5D7 #648BD7 #7764D7

triadic

#648BD7 #D7648B #8BD764

tetradic

#648BD7 #D764C5 #D7B064 #64D777

square

#648BD7 #D764C5 #D7B064 #64D777

split-complementary

#648BD7 #D77764 #C5D764

monochromatic

#284E99 #3467CA #648BD7 #95AFE4 #C5D4F0

Accessibility & contrast

On white

3.38

#648BD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#648BD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BD7

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BD7	#FFFFFF	#000000	##000000
##648BD7	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D91DA

Deuteranopia (green-blind)

#5F87D5

Tritanopia (blue-blind)

#259CA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648bd7;
/* rgb */ color: rgb(100, 139, 215);
/* oklch */ color: oklch(64.1% 0.123 262.8);

Tailwind

colors: {
  custom: {
    50: '#97ace3',
    500: '#648bd7',
    950: '#000000',
  },
}

SCSS

$custom: #648bd7;
$custom-light: #97ace3;
$custom-dark: #000000;

JSON

{
  "hex": "#648bd7",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 215
  },
  "hsl": {
    "h": 219.652,
    "s": 58.974,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64147,
    "c": 0.12269,
    "h": 262.8
  },
  "luminance": 0.26081
}

Semantic roles & 50–950 ramp

primary

#648BD7

secondary

#E1D2B6

accent

#8E1FC7

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648BD7

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

Preview Lab → · Contrast checker → · Palette generator →