#648DEF#648DEF

#648DEF is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.9% C 0.153 H 265.3°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#648DEF
RGB	rgb(100, 141, 239)
HSL	hsl(222, 81%, 66%)
HSV	hsv(222, 58%, 94%)
CMYK	cmyk(58.2%, 41%, 0%, 6.3%)
CIE-LAB	lab(59.88, 14.71, -53.65)
CIE-LCH	lch(59.88, 55.63, 285.33°)
OKLab	oklab(65.91% -0.0124 -0.1526)
OKLCH	oklch(65.91% 0.153 265.3)
XYZ	xyz(30.3551, 27.9886, 85.4473)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DEF #EFC664

analogous

#64D3EF #648DEF #8164EF

triadic

#648DEF #EF648D #8DEF64

tetradic

#648DEF #EF64D3 #EFC664 #64EF81

square

#648DEF #EF64D3 #EFC664 #64EF81

split-complementary

#648DEF #EF8164 #D3EF64

monochromatic

#1448C4 #2D64E9 #648DEF #9BB6F5 #D3DFFA

Accessibility & contrast

On white

3.18

#648DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#648DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DEF

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DEF	#FFFFFF	#000000	##000000
##648DEF	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F3

Deuteranopia (green-blind)

#508AED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648def;
/* rgb */ color: rgb(100, 141, 239);
/* oklch */ color: oklch(65.9% 0.153 265.3);

Tailwind

colors: {
  custom: {
    50: '#9aadf5',
    500: '#648def',
    950: '#000000',
  },
}

SCSS

$custom: #648def;
$custom-light: #9aadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#648def",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 222.302,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65913,
    "c": 0.15308,
    "h": 265.3
  },
  "luminance": 0.27991
}

Semantic roles & 50–950 ramp

primary

#648DEF

secondary

#EEE1C1

accent

#9F08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DEF

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

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