#647DC7#647DC7

#647DC7 is a mid, moderate blue. Relative luminance 0.215; OKLCH L 60.3% C 0.117 H 268.6°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#647DC7
RGB	rgb(100, 125, 199)
HSL	hsl(225, 47%, 59%)
HSV	hsv(225, 50%, 78%)
CMYK	cmyk(49.7%, 37.2%, 0%, 22%)
CIE-LAB	lab(53.49, 11.57, -41.34)
CIE-LCH	lch(53.49, 42.93, 285.64°)
OKLab	oklab(60.31% -0.0028 -0.1167)
OKLCH	oklch(60.31% 0.117 268.6)
XYZ	xyz(22.8946, 21.4986, 56.9650)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DC7 #C7AE64

analogous

#64AEC7 #647DC7 #7C64C7

triadic

#647DC7 #C7647D #7DC764

tetradic

#647DC7 #C764AE #C7AE64 #64C77C

square

#647DC7 #C764AE #C7AE64 #64C77C

split-complementary

#647DC7 #C77C64 #AEC764

monochromatic

#2F4482 #3F5BAF #647DC7 #91A3D7 #BEC8E7

Accessibility & contrast

On white

3.96

#647DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#647DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DC7

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DC7	#FFFFFF	#000000	##000000
##647DC7	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184CA

Deuteranopia (green-blind)

#567CC5

Tritanopia (blue-blind)

#3A8D98

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647dc7;
/* rgb */ color: rgb(100, 125, 199);
/* oklch */ color: oklch(60.3% 0.117 268.6);

Tailwind

colors: {
  custom: {
    50: '#96a2d8',
    500: '#647dc7',
    950: '#000000',
  },
}

SCSS

$custom: #647dc7;
$custom-light: #96a2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#647dc7",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 199
  },
  "hsl": {
    "h": 224.848,
    "s": 46.919,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60311,
    "c": 0.11675,
    "h": 268.6
  },
  "luminance": 0.215
}

Semantic roles & 50–950 ramp

primary

#647DC7

secondary

#D7CDB0

accent

#B551D7

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #647DC7

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

Preview Lab → · Contrast checker → · Palette generator →