#648CFA#648CFA

#648CFA is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.4% C 0.169 H 266.8°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#648CFA
RGB	rgb(100, 140, 250)
HSL	hsl(224, 94%, 69%)
HSV	hsv(224, 60%, 98%)
CMYK	cmyk(60%, 44%, 0%, 2%)
CIE-LAB	lab(60.22, 18.89, -59.18)
CIE-LCH	lch(60.22, 62.12, 287.70°)
OKLab	oklab(66.37% -0.0095 -0.1688)
OKLCH	oklch(66.37% 0.169 266.8)
XYZ	xyz(31.8830, 28.3649, 94.2187)
Luminance	0.2837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CFA #FAD264

analogous

#64D7FA #648CFA #8764FA

triadic

#648CFA #FA648C #8CFA64

tetradic

#648CFA #FA64D7 #FAD264 #64FA87

square

#648CFA #FA64D7 #FAD264 #64FA87

split-complementary

#648CFA #FA8764 #D7FA64

monochromatic

#0740DC #2960F8 #648CFA #9FB8FC #DBE4FE

Accessibility & contrast

On white

3.15

#648CFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#648CFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CFA

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CFA	#FFFFFF	#000000	##000000
##648CFA	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5998FE

Deuteranopia (green-blind)

#428BF8

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648cfa;
/* rgb */ color: rgb(100, 140, 250);
/* oklch */ color: oklch(66.4% 0.169 266.8);

Tailwind

colors: {
  custom: {
    50: '#9cadfc',
    500: '#648cfa',
    950: '#000000',
  },
}

SCSS

$custom: #648cfa;
$custom-light: #9cadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648cfa",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 250
  },
  "hsl": {
    "h": 224,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66368,
    "c": 0.16907,
    "h": 266.8
  },
  "luminance": 0.28368
}

Semantic roles & 50–950 ramp

primary

#648CFA

secondary

#F3E7C7

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648CFA

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

Preview Lab → · Contrast checker → · Palette generator →