#648DFF#648DFF

#648DFF is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.9% C 0.175 H 266.8°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#648DFF
RGB	rgb(100, 141, 255)
HSL	hsl(224, 100%, 70%)
HSV	hsv(224, 61%, 100%)
CMYK	cmyk(60.8%, 44.7%, 0%, 0%)
CIE-LAB	lab(60.76, 19.93, -61.05)
CIE-LCH	lch(60.76, 64.22, 288.08°)
OKLab	oklab(66.88% -0.0097 -0.1743)
OKLCH	oklch(66.88% 0.175 266.8)
XYZ	xyz(32.8242, 28.9762, 98.4515)
Luminance	0.2898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DFF #FFD664

analogous

#64DBFF #648DFF #8964FF

triadic

#648DFF #FF648D #8DFF64

tetradic

#648DFF #FF64DB #FFD664 #64FF89

square

#648DFF #FF64DB #FFD664 #64FF89

split-complementary

#648DFF #FF8964 #DBFF64

monochromatic

#003EE9 #2760FF #648DFF #A1BAFF #DEE7FF

Accessibility & contrast

On white

3.09

#648DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#648DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DFF

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DFF	#FFFFFF	#000000	##000000
##648DFF	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#579AFF

Deuteranopia (green-blind)

#3E8CFD

Tritanopia (blue-blind)

#00A7BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648dff;
/* rgb */ color: rgb(100, 141, 255);
/* oklch */ color: oklch(66.9% 0.175 266.8);

Tailwind

colors: {
  custom: {
    50: '#9dadff',
    500: '#648dff',
    950: '#000000',
  },
}

SCSS

$custom: #648dff;
$custom-light: #9dadff;
$custom-dark: #000000;

JSON

{
  "hex": "#648dff",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 255
  },
  "hsl": {
    "h": 224.129,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.66876,
    "c": 0.17456,
    "h": 266.8
  },
  "luminance": 0.28979
}

Semantic roles & 50–950 ramp

primary

#648DFF

secondary

#F6EAC9

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648DFF

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

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