#648EFA#648EFA

#648EFA is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.8% C 0.167 H 266.0°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#648EFA
RGB	rgb(100, 142, 250)
HSL	hsl(223, 94%, 69%)
HSV	hsv(223, 60%, 98%)
CMYK	cmyk(60%, 43.2%, 0%, 2%)
CIE-LAB	lab(60.74, 17.70, -58.34)
CIE-LCH	lch(60.74, 60.96, 286.87°)
OKLab	oklab(66.77% -0.0115 -0.1663)
OKLCH	oklch(66.77% 0.167 266)
XYZ	xyz(32.1779, 28.9547, 94.3170)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EFA #FAD064

analogous

#64D9FA #648EFA #8564FA

triadic

#648EFA #FA648E #8EFA64

tetradic

#648EFA #FA64D9 #FAD064 #64FA85

square

#648EFA #FA64D9 #FAD064 #64FA85

split-complementary

#648EFA #FA8564 #D9FA64

monochromatic

#0743DC #2963F8 #648EFA #9FB9FC #DBE4FE

Accessibility & contrast

On white

3.09

#648EFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#648EFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EFA

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EFA	#FFFFFF	#000000	##000000
##648EFA	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D9AFE

Deuteranopia (green-blind)

#468CF8

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648efa;
/* rgb */ color: rgb(100, 142, 250);
/* oklch */ color: oklch(66.8% 0.167 266.0);

Tailwind

colors: {
  custom: {
    50: '#9caefc',
    500: '#648efa',
    950: '#000000',
  },
}

SCSS

$custom: #648efa;
$custom-light: #9caefc;
$custom-dark: #000000;

JSON

{
  "hex": "#648efa",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 250
  },
  "hsl": {
    "h": 223.2,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66771,
    "c": 0.16671,
    "h": 266
  },
  "luminance": 0.28957
}

Semantic roles & 50–950 ramp

primary

#648EFA

secondary

#F3E7C7

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EFA

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

Preview Lab → · Contrast checker → · Palette generator →