#647AD7#647AD7

#647AD7 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.6% C 0.143 H 271.5°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#647AD7
RGB	rgb(100, 122, 215)
HSL	hsl(229, 59%, 62%)
HSV	hsv(229, 53%, 84%)
CMYK	cmyk(53.5%, 43.3%, 0%, 15.7%)
CIE-LAB	lab(53.53, 18.42, -50.36)
CIE-LCH	lch(53.53, 53.62, 290.09°)
OKLab	oklab(60.61% 0.0038 -0.1431)
OKLCH	oklch(60.61% 0.143 271.5)
XYZ	xyz(24.4768, 21.5330, 67.1433)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AD7 #D7C164

analogous

#64B3D7 #647AD7 #8864D7

triadic

#647AD7 #D7647A #7AD764

tetradic

#647AD7 #D764B3 #D7C164 #64D788

square

#647AD7 #D764B3 #D7C164 #64D788

split-complementary

#647AD7 #D78864 #B3D764

monochromatic

#283D99 #3451CA #647AD7 #95A4E4 #C5CDF0

Accessibility & contrast

On white

3.96

#647AD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#647AD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AD7

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AD7	#FFFFFF	#000000	##000000
##647AD7	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5285DB

Deuteranopia (green-blind)

#457BD5

Tritanopia (blue-blind)

#2A8E9E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ad7;
/* rgb */ color: rgb(100, 122, 215);
/* oklch */ color: oklch(60.6% 0.143 271.5);

Tailwind

colors: {
  custom: {
    50: '#98a0e4',
    500: '#647ad7',
    950: '#000000',
  },
}

SCSS

$custom: #647ad7;
$custom-light: #98a0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#647ad7",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 215
  },
  "hsl": {
    "h": 228.522,
    "s": 58.974,
    "l": 61.765
  },
  "oklch": {
    "l": 0.60614,
    "c": 0.14315,
    "h": 271.5
  },
  "luminance": 0.21535
}

Semantic roles & 50–950 ramp

primary

#647AD7

secondary

#E1D9B6

accent

#A71FC7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E15

muted

#7E7E84

Preview Lab

Preview with #647AD7

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

Preview Lab → · Contrast checker → · Palette generator →