#648DEE#648DEE

#648DEE is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.9% C 0.152 H 265.2°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#648DEE
RGB	rgb(100, 141, 238)
HSL	hsl(222, 80%, 66%)
HSV	hsv(222, 58%, 93%)
CMYK	cmyk(58%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.83, 14.38, -53.18)
CIE-LCH	lch(59.83, 55.10, 285.13°)
OKLab	oklab(65.85% -0.0126 -0.1512)
OKLCH	oklch(65.85% 0.152 265.2)
XYZ	xyz(30.2078, 27.9296, 84.6714)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DEE #EEC564

analogous

#64D2EE #648DEE #8064EE

triadic

#648DEE #EE648D #8DEE64

tetradic

#648DEE #EE64D2 #EEC564 #64EE80

square

#648DEE #EE64D2 #EEC564 #64EE80

split-complementary

#648DEE #EE8064 #D2EE64

monochromatic

#1549C2 #2D64E8 #648DEE #9BB6F4 #D2DEFA

Accessibility & contrast

On white

3.19

#648DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#648DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DEE

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DEE	#FFFFFF	#000000	##000000
##648DEE	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F2

Deuteranopia (green-blind)

#508AEC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648dee;
/* rgb */ color: rgb(100, 141, 238);
/* oklch */ color: oklch(65.9% 0.152 265.2);

Tailwind

colors: {
  custom: {
    50: '#9aadf4',
    500: '#648dee',
    950: '#000000',
  },
}

SCSS

$custom: #648dee;
$custom-light: #9aadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#648dee",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 222.174,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65855,
    "c": 0.15173,
    "h": 265.2
  },
  "luminance": 0.27932
}

Semantic roles & 50–950 ramp

primary

#648DEE

secondary

#EDE0C0

accent

#9E09DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DEE

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

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