#647CD7#647CD7

#647CD7 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.0% C 0.141 H 270.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#647CD7
RGB	rgb(100, 124, 215)
HSL	hsl(227, 59%, 62%)
HSV	hsv(227, 53%, 84%)
CMYK	cmyk(53.5%, 42.3%, 0%, 15.7%)
CIE-LAB	lab(54.06, 17.21, -49.51)
CIE-LCH	lch(54.06, 52.42, 289.16°)
OKLab	oklab(61.02% 0.0016 -0.1406)
OKLCH	oklch(61.02% 0.141 270.6)
XYZ	xyz(24.7249, 22.0292, 67.2260)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CD7 #D7BF64

analogous

#64B6D7 #647CD7 #8664D7

triadic

#647CD7 #D7647C #7CD764

tetradic

#647CD7 #D764B6 #D7BF64 #64D786

square

#647CD7 #D764B6 #D7BF64 #64D786

split-complementary

#647CD7 #D78664 #B6D764

monochromatic

#283F99 #3453CA #647CD7 #95A5E4 #C5CEF0

Accessibility & contrast

On white

3.88

#647CD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#647CD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CD7

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CD7	#FFFFFF	#000000	##000000
##647CD7	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5687DA

Deuteranopia (green-blind)

#487DD5

Tritanopia (blue-blind)

#2A909F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647cd7;
/* rgb */ color: rgb(100, 124, 215);
/* oklch */ color: oklch(61.0% 0.141 270.6);

Tailwind

colors: {
  custom: {
    50: '#98a1e4',
    500: '#647cd7',
    950: '#000000',
  },
}

SCSS

$custom: #647cd7;
$custom-light: #98a1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#647cd7",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 215
  },
  "hsl": {
    "h": 227.478,
    "s": 58.974,
    "l": 61.765
  },
  "oklch": {
    "l": 0.6102,
    "c": 0.14062,
    "h": 270.6
  },
  "luminance": 0.22031
}

Semantic roles & 50–950 ramp

primary

#647CD7

secondary

#E1D8B6

accent

#A41FC7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E15

muted

#7E7E84

Preview Lab

Preview with #647CD7

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

Preview Lab → · Contrast checker → · Palette generator →