#648BFA#648BFA

#648BFA is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.2% C 0.170 H 267.1°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#648BFA
RGB	rgb(100, 139, 250)
HSL	hsl(224, 94%, 69%)
HSV	hsv(224, 60%, 98%)
CMYK	cmyk(60%, 44.4%, 0%, 2%)
CIE-LAB	lab(59.96, 19.49, -59.59)
CIE-LCH	lch(59.96, 62.70, 288.11°)
OKLab	oklab(66.17% -0.0085 -0.17)
OKLCH	oklch(66.17% 0.17 267.1)
XYZ	xyz(31.7376, 28.0740, 94.1703)
Luminance	0.2808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BFA #FAD364

analogous

#64D6FA #648BFA #8864FA

triadic

#648BFA #FA648B #8BFA64

tetradic

#648BFA #FA64D6 #FAD364 #64FA88

square

#648BFA #FA64D6 #FAD364 #64FA88

split-complementary

#648BFA #FA8864 #D6FA64

monochromatic

#073FDC #295FF8 #648BFA #9FB7FC #DBE4FE

Accessibility & contrast

On white

3.17

#648BFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#648BFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BFA

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BFA	#FFFFFF	#000000	##000000
##648BFA	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5798FE

Deuteranopia (green-blind)

#408AF8

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648bfa;
/* rgb */ color: rgb(100, 139, 250);
/* oklch */ color: oklch(66.2% 0.170 267.1);

Tailwind

colors: {
  custom: {
    50: '#9cacfc',
    500: '#648bfa',
    950: '#000000',
  },
}

SCSS

$custom: #648bfa;
$custom-light: #9cacfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648bfa",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 250
  },
  "hsl": {
    "h": 224.4,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66168,
    "c": 0.17025,
    "h": 267.1
  },
  "luminance": 0.28077
}

Semantic roles & 50–950 ramp

primary

#648BFA

secondary

#F3E8C7

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648BFA

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

Preview Lab → · Contrast checker → · Palette generator →