#647FE7#647FE7

#647FE7 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.6% C 0.159 H 270.3°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#647FE7
RGB	rgb(100, 127, 231)
HSL	hsl(228, 73%, 65%)
HSV	hsv(228, 57%, 91%)
CMYK	cmyk(56.7%, 45%, 0%, 9.4%)
CIE-LAB	lab(55.74, 20.52, -55.81)
CIE-LCH	lch(55.74, 59.46, 290.19°)
OKLab	oklab(62.6% 0.0009 -0.159)
OKLCH	oklch(62.6% 0.159 270.3)
XYZ	xyz(27.2639, 23.6555, 78.7151)
Luminance	0.2366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FE7 #E7CC64

analogous

#64C0E7 #647FE7 #8B64E7

triadic

#647FE7 #E7647F #7FE764

tetradic

#647FE7 #E764C0 #E7CC64 #64E78B

square

#647FE7 #E764C0 #E7CC64 #64E78B

split-complementary

#647FE7 #E78B64 #C0E764

monochromatic

#1C3BB5 #2F53DF #647FE7 #99ABEF #CED7F7

Accessibility & contrast

On white

3.66

#647FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#647FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FE7

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FE7	#FFFFFF	#000000	##000000
##647FE7	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8CEB

Deuteranopia (green-blind)

#3D80E5

Tritanopia (blue-blind)

#0396A8

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647fe7;
/* rgb */ color: rgb(100, 127, 231);
/* oklch */ color: oklch(62.6% 0.159 270.3);

Tailwind

colors: {
  custom: {
    50: '#9aa3ef',
    500: '#647fe7',
    950: '#000000',
  },
}

SCSS

$custom: #647fe7;
$custom-light: #9aa3ef;
$custom-dark: #000000;

JSON

{
  "hex": "#647fe7",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 231
  },
  "hsl": {
    "h": 227.634,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.62596,
    "c": 0.15905,
    "h": 270.3
  },
  "luminance": 0.23658
}

Semantic roles & 50–950 ramp

primary

#647FE7

secondary

#EAE1BD

accent

#AD10D5

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #647FE7

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

Preview Lab → · Contrast checker → · Palette generator →