#647EC7#647EC7

#647EC7 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.5% C 0.116 H 268.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#647EC7
RGB	rgb(100, 126, 199)
HSL	hsl(224, 47%, 59%)
HSV	hsv(224, 50%, 78%)
CMYK	cmyk(49.7%, 36.7%, 0%, 22%)
CIE-LAB	lab(53.76, 10.97, -40.91)
CIE-LCH	lch(53.76, 42.36, 285.01°)
OKLab	oklab(60.52% -0.004 -0.1154)
OKLCH	oklch(60.52% 0.116 268)
XYZ	xyz(23.0218, 21.7531, 57.0074)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EC7 #C7AD64

analogous

#64AFC7 #647EC7 #7B64C7

triadic

#647EC7 #C7647E #7EC764

tetradic

#647EC7 #C764AF #C7AD64 #64C77B

square

#647EC7 #C764AF #C7AD64 #64C77B

split-complementary

#647EC7 #C77B64 #AFC764

monochromatic

#2F4582 #3F5CAF #647EC7 #91A3D7 #BEC9E7

Accessibility & contrast

On white

3.92

#647EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#647EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EC7

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EC7	#FFFFFF	#000000	##000000
##647EC7	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285CA

Deuteranopia (green-blind)

#577CC5

Tritanopia (blue-blind)

#3A8E99

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ec7;
/* rgb */ color: rgb(100, 126, 199);
/* oklch */ color: oklch(60.5% 0.116 268.0);

Tailwind

colors: {
  custom: {
    50: '#96a3d8',
    500: '#647ec7',
    950: '#000000',
  },
}

SCSS

$custom: #647ec7;
$custom-light: #96a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#647ec7",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 224.242,
    "s": 46.919,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60522,
    "c": 0.11552,
    "h": 268
  },
  "luminance": 0.21755
}

Semantic roles & 50–950 ramp

primary

#647EC7

secondary

#D7CDB0

accent

#B451D7

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647EC7

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

Preview Lab → · Contrast checker → · Palette generator →