#647DEE#647DEE

#647DEE is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.171 H 271.3°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#647DEE
RGB	rgb(100, 125, 238)
HSL	hsl(229, 80%, 66%)
HSV	hsv(229, 58%, 93%)
CMYK	cmyk(58%, 47.5%, 0%, 6.7%)
CIE-LAB	lab(55.63, 24.00, -59.88)
CIE-LCH	lch(55.63, 64.51, 291.84°)
OKLab	oklab(62.65% 0.0039 -0.171)
OKLCH	oklch(62.65% 0.171 271.3)
XYZ	xyz(28.0166, 23.5474, 83.9411)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DEE #EED564

analogous

#64C2EE #647DEE #9064EE

triadic

#647DEE #EE647D #7DEE64

tetradic

#647DEE #EE64C2 #EED564 #64EE90

square

#647DEE #EE64C2 #EED564 #64EE90

split-complementary

#647DEE #EE9064 #C2EE64

monochromatic

#1535C2 #2D4FE8 #647DEE #9BABF4 #D2DAFA

Accessibility & contrast

On white

3.68

#647DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#647DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DEE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DEE	#FFFFFF	#000000	##000000
##647DEE	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458CF2

Deuteranopia (green-blind)

#2F80EC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647dee;
/* rgb */ color: rgb(100, 125, 238);
/* oklch */ color: oklch(62.6% 0.171 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ba2f4',
    500: '#647dee',
    950: '#000000',
  },
}

SCSS

$custom: #647dee;
$custom-light: #9ba2f4;
$custom-dark: #000000;

JSON

{
  "hex": "#647dee",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 238
  },
  "hsl": {
    "h": 229.13,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.62645,
    "c": 0.17109,
    "h": 271.3
  },
  "luminance": 0.2355
}

Semantic roles & 50–950 ramp

primary

#647DEE

secondary

#EDE5C0

accent

#B609DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647DEE

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

Preview Lab → · Contrast checker → · Palette generator →