#647BE6#647BE6

#647BE6 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.7% C 0.163 H 271.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#647BE6
RGB	rgb(100, 123, 230)
HSL	hsl(229, 72%, 65%)
HSV	hsv(229, 57%, 90%)
CMYK	cmyk(56.5%, 46.5%, 0%, 9.8%)
CIE-LAB	lab(54.64, 22.62, -57.00)
CIE-LCH	lch(54.64, 61.33, 291.65°)
OKLab	oklab(61.74% 0.005 -0.1626)
OKLCH	oklch(61.74% 0.163 271.7)
XYZ	xyz(26.6167, 22.5864, 77.8046)
Luminance	0.2259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BE6 #E6CF64

analogous

#64BCE6 #647BE6 #8E64E6

triadic

#647BE6 #E6647B #7BE664

tetradic

#647BE6 #E664BC #E6CF64 #64E68E

square

#647BE6 #E664BC #E6CF64 #64E68E

split-complementary

#647BE6 #E68E64 #BCE664

monochromatic

#1D37B3 #2F4EDD #647BE6 #99A8EE #CDD5F7

Accessibility & contrast

On white

3.81

#647BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#647BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BE6

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BE6	#FFFFFF	#000000	##000000
##647BE6	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4989EA

Deuteranopia (green-blind)

#367DE4

Tritanopia (blue-blind)

#0B93A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647be6;
/* rgb */ color: rgb(100, 123, 230);
/* oklch */ color: oklch(61.7% 0.163 271.7);

Tailwind

colors: {
  custom: {
    50: '#9aa0ee',
    500: '#647be6',
    950: '#000000',
  },
}

SCSS

$custom: #647be6;
$custom-light: #9aa0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647be6",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 230
  },
  "hsl": {
    "h": 229.385,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.61741,
    "c": 0.16269,
    "h": 271.7
  },
  "luminance": 0.22588
}

Semantic roles & 50–950 ramp

primary

#647BE6

secondary

#E9E1BD

accent

#B211D4

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #647BE6

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

Preview Lab → · Contrast checker → · Palette generator →