#648FDC#648FDC

#648FDC is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.125 H 261.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#648FDC
RGB	rgb(100, 143, 220)
HSL	hsl(219, 63%, 63%)
HSV	hsv(219, 55%, 86%)
CMYK	cmyk(54.5%, 35%, 0%, 13.7%)
CIE-LAB	lab(59.45, 7.44, -43.78)
CIE-LCH	lch(59.45, 44.40, 279.64°)
OKLab	oklab(65.27% -0.0187 -0.1237)
OKLCH	oklch(65.27% 0.125 261.4)
XYZ	xyz(27.9918, 27.5194, 71.5330)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FDC #DCB164

analogous

#64CBDC #648FDC #7564DC

triadic

#648FDC #DC648F #8FDC64

tetradic

#648FDC #DC64CB #DCB164 #64DC75

square

#648FDC #DC64CB #DCB164 #64DC75

split-complementary

#648FDC #DC7564 #CBDC64

monochromatic

#2451A1 #326BD1 #648FDC #96B3E7 #C8D7F3

Accessibility & contrast

On white

3.23

#648FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#648FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FDC

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FDC	#FFFFFF	#000000	##000000
##648FDC	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7095DF

Deuteranopia (green-blind)

#618ADA

Tritanopia (blue-blind)

#1BA0AB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648fdc;
/* rgb */ color: rgb(100, 143, 220);
/* oklch */ color: oklch(65.3% 0.125 261.4);

Tailwind

colors: {
  custom: {
    50: '#98afe7',
    500: '#648fdc',
    950: '#000000',
  },
}

SCSS

$custom: #648fdc;
$custom-light: #98afe7;
$custom-dark: #000000;

JSON

{
  "hex": "#648fdc",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 220
  },
  "hsl": {
    "h": 218.5,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65267,
    "c": 0.12509,
    "h": 261.4
  },
  "luminance": 0.27522
}

Semantic roles & 50–950 ramp

primary

#648FDC

secondary

#E4D4B8

accent

#8C1BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FDC

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

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