#647CE7#647CE7

#647CE7 is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.0% C 0.163 H 271.4°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#647CE7
RGB	rgb(100, 124, 231)
HSL	hsl(229, 73%, 65%)
HSV	hsv(229, 57%, 91%)
CMYK	cmyk(56.7%, 46.3%, 0%, 9.4%)
CIE-LAB	lab(54.96, 22.34, -57.06)
CIE-LCH	lch(54.96, 61.27, 291.38°)
OKLab	oklab(62% 0.0041 -0.1627)
OKLCH	oklch(62% 0.163 271.4)
XYZ	xyz(26.8822, 22.8921, 78.5878)
Luminance	0.2289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CE7 #E7CF64

analogous

#64BDE7 #647CE7 #8E64E7

triadic

#647CE7 #E7647C #7CE764

tetradic

#647CE7 #E764BD #E7CF64 #64E78E

square

#647CE7 #E764BD #E7CF64 #64E78E

split-complementary

#647CE7 #E78E64 #BDE764

monochromatic

#1C38B5 #2F4FDF #647CE7 #99A9EF #CED6F7

Accessibility & contrast

On white

3.76

#647CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#647CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CE7

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CE7	#FFFFFF	#000000	##000000
##647CE7	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8AEB

Deuteranopia (green-blind)

#377EE5

Tritanopia (blue-blind)

#0694A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647ce7;
/* rgb */ color: rgb(100, 124, 231);
/* oklch */ color: oklch(62.0% 0.163 271.4);

Tailwind

colors: {
  custom: {
    50: '#9aa1ef',
    500: '#647ce7',
    950: '#000000',
  },
}

SCSS

$custom: #647ce7;
$custom-light: #9aa1ef;
$custom-dark: #000000;

JSON

{
  "hex": "#647ce7",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 231
  },
  "hsl": {
    "h": 229.008,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.62002,
    "c": 0.1628,
    "h": 271.4
  },
  "luminance": 0.22894
}

Semantic roles & 50–950 ramp

primary

#647CE7

secondary

#EAE2BD

accent

#B110D5

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #647CE7

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

Preview Lab → · Contrast checker → · Palette generator →