#647FE5#647FE5

#647FE5 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.5% C 0.156 H 270.2°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#647FE5
RGB	rgb(100, 127, 229)
HSL	hsl(227, 71%, 65%)
HSV	hsv(227, 56%, 90%)
CMYK	cmyk(56.3%, 44.5%, 0%, 10.2%)
CIE-LAB	lab(55.63, 19.88, -54.87)
CIE-LCH	lch(55.63, 58.36, 289.91°)
OKLab	oklab(62.47% 0.0006 -0.1563)
OKLCH	oklch(62.47% 0.156 270.2)
XYZ	xyz(26.9831, 23.5432, 77.2359)
Luminance	0.2354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FE5 #E5CA64

analogous

#64C0E5 #647FE5 #8A64E5

triadic

#647FE5 #E5647F #7FE564

tetradic

#647FE5 #E564C0 #E5CA64 #64E58A

square

#647FE5 #E564C0 #E5CA64 #64E58A

split-complementary

#647FE5 #E58A64 #C0E564

monochromatic

#1E3CB1 #3054DC #647FE5 #98AAEE #CDD6F7

Accessibility & contrast

On white

3.68

#647FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#647FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FE5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FE5	#FFFFFF	#000000	##000000
##647FE5	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)

#518BE9

Deuteranopia (green-blind)

#4080E3

Tritanopia (blue-blind)

#0C96A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647fe5;
/* rgb */ color: rgb(100, 127, 229);
/* oklch */ color: oklch(62.5% 0.156 270.2);

Tailwind

colors: {
  custom: {
    50: '#99a3ee',
    500: '#647fe5',
    950: '#000000',
  },
}

SCSS

$custom: #647fe5;
$custom-light: #99a3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647fe5",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 229
  },
  "hsl": {
    "h": 227.442,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.62473,
    "c": 0.1563,
    "h": 270.2
  },
  "luminance": 0.23545
}

Semantic roles & 50–950 ramp

primary

#647FE5

secondary

#E9DFBC

accent

#AB12D3

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #647FE5

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

Preview Lab → · Contrast checker → · Palette generator →