#648FDF#648FDF

#648FDF is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.4% C 0.129 H 262.0°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#648FDF
RGB	rgb(100, 143, 223)
HSL	hsl(219, 66%, 63%)
HSV	hsv(219, 55%, 87%)
CMYK	cmyk(55.2%, 35.9%, 0%, 12.5%)
CIE-LAB	lab(59.60, 8.39, -45.22)
CIE-LCH	lch(59.60, 45.99, 280.51°)
OKLab	oklab(65.43% -0.018 -0.1279)
OKLCH	oklch(65.43% 0.129 262)
XYZ	xyz(28.3927, 27.6797, 73.6442)
Luminance	0.2768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FDF #DFB464

analogous

#64CDDF #648FDF #7664DF

triadic

#648FDF #DF648F #8FDF64

tetradic

#648FDF #DF64CD #DFB464 #64DF76

square

#648FDF #DF64CD #DFB464 #64DF76

split-complementary

#648FDF #DF7664 #CDDF64

monochromatic

#2250A6 #316AD5 #648FDF #97B4E9 #C9D8F4

Accessibility & contrast

On white

3.21

#648FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#648FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FDF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FDF	#FFFFFF	#000000	##000000
##648FDF	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)

#6E96E2

Deuteranopia (green-blind)

#5F8ADD

Tritanopia (blue-blind)

#14A1AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648fdf;
/* rgb */ color: rgb(100, 143, 223);
/* oklch */ color: oklch(65.4% 0.129 262.0);

Tailwind

colors: {
  custom: {
    50: '#98afe9',
    500: '#648fdf',
    950: '#000000',
  },
}

SCSS

$custom: #648fdf;
$custom-light: #98afe9;
$custom-dark: #000000;

JSON

{
  "hex": "#648fdf",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 223
  },
  "hsl": {
    "h": 219.024,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65429,
    "c": 0.12914,
    "h": 262
  },
  "luminance": 0.27682
}

Semantic roles & 50–950 ramp

primary

#648FDF

secondary

#E5D6B9

accent

#8E18CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FDF

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

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