#648AFA#648AFA

#648AFA is a light, vivid blue. Relative luminance 0.278; OKLCH L 66.0% C 0.171 H 267.5°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#648AFA
RGB	rgb(100, 138, 250)
HSL	hsl(225, 94%, 69%)
HSV	hsv(225, 60%, 98%)
CMYK	cmyk(60%, 44.8%, 0%, 2%)
CIE-LAB	lab(59.69, 20.09, -60.01)
CIE-LCH	lch(59.69, 63.28, 288.51°)
OKLab	oklab(65.97% -0.0075 -0.1713)
OKLCH	oklch(65.97% 0.171 267.5)
XYZ	xyz(31.5935, 27.7857, 94.1222)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AFA #FAD464

analogous

#64D5FA #648AFA #8964FA

triadic

#648AFA #FA648A #8AFA64

tetradic

#648AFA #FA64D5 #FAD464 #64FA89

square

#648AFA #FA64D5 #FAD464 #64FA89

split-complementary

#648AFA #FA8964 #D5FA64

monochromatic

#073DDC #295DF8 #648AFA #9FB7FC #DBE4FE

Accessibility & contrast

On white

3.20

#648AFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#648AFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AFA

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AFA	#FFFFFF	#000000	##000000
##648AFA	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5597FE

Deuteranopia (green-blind)

#3E89F8

Tritanopia (blue-blind)

#00A3B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648afa;
/* rgb */ color: rgb(100, 138, 250);
/* oklch */ color: oklch(66.0% 0.171 267.5);

Tailwind

colors: {
  custom: {
    50: '#9cabfc',
    500: '#648afa',
    950: '#000000',
  },
}

SCSS

$custom: #648afa;
$custom-light: #9cabfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648afa",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 250
  },
  "hsl": {
    "h": 224.8,
    "s": 93.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.65968,
    "c": 0.17144,
    "h": 267.5
  },
  "luminance": 0.27788
}

Semantic roles & 50–950 ramp

primary

#648AFA

secondary

#F3E8C7

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648AFA

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

Preview Lab → · Contrast checker → · Palette generator →