#647CE9#647CE9

#647CE9 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.1% C 0.166 H 271.5°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#647CE9
RGB	rgb(100, 124, 233)
HSL	hsl(229, 75%, 65%)
HSV	hsv(229, 57%, 91%)
CMYK	cmyk(57.1%, 46.8%, 0%, 8.6%)
CIE-LAB	lab(55.08, 22.99, -57.99)
CIE-LCH	lch(55.08, 62.37, 291.62°)
OKLab	oklab(62.13% 0.0043 -0.1655)
OKLCH	oklch(62.13% 0.166 271.5)
XYZ	xyz(27.1663, 23.0057, 80.0840)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CE9 #E9D164

analogous

#64BEE9 #647CE9 #8E64E9

triadic

#647CE9 #E9647C #7CE964

tetradic

#647CE9 #E964BE #E9D164 #64E98E

square

#647CE9 #E964BE #E9D164 #64E98E

split-complementary

#647CE9 #E98E64 #BEE964

monochromatic

#1A37B8 #2E4FE1 #647CE9 #9AA9F1 #CFD7F8

Accessibility & contrast

On white

3.75

#647CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#647CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CE9

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CE9	#FFFFFF	#000000	##000000
##647CE9	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488AED

Deuteranopia (green-blind)

#347EE7

Tritanopia (blue-blind)

#0094A7

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647ce9;
/* rgb */ color: rgb(100, 124, 233);
/* oklch */ color: oklch(62.1% 0.166 271.5);

Tailwind

colors: {
  custom: {
    50: '#9aa1f1',
    500: '#647ce9',
    950: '#000000',
  },
}

SCSS

$custom: #647ce9;
$custom-light: #9aa1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#647ce9",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 233
  },
  "hsl": {
    "h": 229.173,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.62129,
    "c": 0.16554,
    "h": 271.5
  },
  "luminance": 0.23008
}

Semantic roles & 50–950 ramp

primary

#647CE9

secondary

#EBE3BE

accent

#B30ED7

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CE9

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

Preview Lab → · Contrast checker → · Palette generator →