#648AFF#648AFF

#648AFF is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.3% C 0.178 H 267.8°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#648AFF
RGB	rgb(100, 138, 255)
HSL	hsl(225, 100%, 70%)
HSV	hsv(225, 61%, 100%)
CMYK	cmyk(60.8%, 45.9%, 0%, 0%)
CIE-LAB	lab(59.98, 21.73, -62.30)
CIE-LCH	lch(59.98, 65.98, 289.23°)
OKLab	oklab(66.28% -0.0068 -0.178)
OKLCH	oklch(66.28% 0.178 267.8)
XYZ	xyz(32.3879, 28.1035, 98.3061)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AFF #FFD964

analogous

#64D8FF #648AFF #8B64FF

triadic

#648AFF #FF648A #8AFF64

tetradic

#648AFF #FF64D8 #FFD964 #64FF8B

square

#648AFF #FF64D8 #FFD964 #64FF8B

split-complementary

#648AFF #FF8B64 #D8FF64

monochromatic

#0039E9 #275CFF #648AFF #A1B8FF #DEE6FF

Accessibility & contrast

On white

3.17

#648AFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#648AFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AFF

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AFF	#FFFFFF	#000000	##000000
##648AFF	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)

#5198FF

Deuteranopia (green-blind)

#378AFD

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648aff;
/* rgb */ color: rgb(100, 138, 255);
/* oklch */ color: oklch(66.3% 0.178 267.8);

Tailwind

colors: {
  custom: {
    50: '#9dabff',
    500: '#648aff',
    950: '#000000',
  },
}

SCSS

$custom: #648aff;
$custom-light: #9dabff;
$custom-dark: #000000;

JSON

{
  "hex": "#648aff",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 255
  },
  "hsl": {
    "h": 225.29,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.66281,
    "c": 0.17812,
    "h": 267.8
  },
  "luminance": 0.28106
}

Semantic roles & 50–950 ramp

primary

#648AFF

secondary

#F6EBC9

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648AFF

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

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