#647BC6#647BC6

#647BC6 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.8% C 0.118 H 269.7°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#647BC6
RGB	rgb(100, 123, 198)
HSL	hsl(226, 46%, 58%)
HSV	hsv(226, 49%, 78%)
CMYK	cmyk(49.5%, 37.9%, 0%, 22.4%)
CIE-LAB	lab(52.90, 12.47, -41.71)
CIE-LCH	lch(52.90, 43.54, 286.64°)
OKLab	oklab(59.84% -0.0006 -0.1178)
OKLCH	oklch(59.84% 0.118 269.7)
XYZ	xyz(22.5282, 20.9510, 56.2720)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BC6 #C6AF64

analogous

#64ACC6 #647BC6 #7E64C6

triadic

#647BC6 #C6647B #7BC664

tetradic

#647BC6 #C664AC #C6AF64 #64C67E

square

#647BC6 #C664AC #C6AF64 #64C67E

split-complementary

#647BC6 #C67E64 #ACC664

monochromatic

#2F4280 #4059AD #647BC6 #91A1D6 #BDC7E7

Accessibility & contrast

On white

4.05

#647BC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#647BC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BC6

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BC6	#FFFFFF	#000000	##000000
##647BC6	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83C9

Deuteranopia (green-blind)

#547AC4

Tritanopia (blue-blind)

#3B8B97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #647bc6;
/* rgb */ color: rgb(100, 123, 198);
/* oklch */ color: oklch(59.8% 0.118 269.7);

Tailwind

colors: {
  custom: {
    50: '#96a0d7',
    500: '#647bc6',
    950: '#000000',
  },
}

SCSS

$custom: #647bc6;
$custom-light: #96a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#647bc6",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 198
  },
  "hsl": {
    "h": 225.918,
    "s": 46.226,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59835,
    "c": 0.11781,
    "h": 269.7
  },
  "luminance": 0.20952
}

Semantic roles & 50–950 ramp

primary

#647BC6

secondary

#D6CDAF

accent

#B752D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #647BC6

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

Preview Lab → · Contrast checker → · Palette generator →