#648FDA#648FDA

#648FDA is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.122 H 261.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#648FDA
RGB	rgb(100, 143, 218)
HSL	hsl(218, 61%, 62%)
HSV	hsv(218, 54%, 85%)
CMYK	cmyk(54.1%, 34.4%, 0%, 14.5%)
CIE-LAB	lab(59.36, 6.81, -42.81)
CIE-LCH	lch(59.36, 43.35, 279.03°)
OKLab	oklab(65.16% -0.0192 -0.1209)
OKLCH	oklch(65.16% 0.122 261)
XYZ	xyz(27.7286, 27.4141, 70.1463)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FDA #DAAF64

analogous

#64CADA #648FDA #7464DA

triadic

#648FDA #DA648F #8FDA64

tetradic

#648FDA #DA64CA #DAAF64 #64DA74

square

#648FDA #DA64CA #DAAF64 #64DA74

split-complementary

#648FDA #DA7464 #CADA64

monochromatic

#26519E #336BCE #648FDA #95B3E6 #C7D6F2

Accessibility & contrast

On white

3.24

#648FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#648FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FDA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FDA	#FFFFFF	#000000	##000000
##648FDA	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#628AD8

Tritanopia (blue-blind)

#1FA0AA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648fda;
/* rgb */ color: rgb(100, 143, 218);
/* oklch */ color: oklch(65.2% 0.122 261.0);

Tailwind

colors: {
  custom: {
    50: '#98afe6',
    500: '#648fda',
    950: '#000000',
  },
}

SCSS

$custom: #648fda;
$custom-light: #98afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#648fda",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 218
  },
  "hsl": {
    "h": 218.136,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65161,
    "c": 0.12239,
    "h": 261
  },
  "luminance": 0.27416
}

Semantic roles & 50–950 ramp

primary

#648FDA

secondary

#E2D3B7

accent

#8A1CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FDA

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

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