#647CD6#647CD6

#647CD6 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.0% C 0.139 H 270.6°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#647CD6
RGB	rgb(100, 124, 214)
HSL	hsl(227, 58%, 62%)
HSV	hsv(227, 53%, 84%)
CMYK	cmyk(53.3%, 42.1%, 0%, 16.1%)
CIE-LAB	lab(54.00, 16.89, -49.04)
CIE-LCH	lch(54.00, 51.86, 289.00°)
OKLab	oklab(60.96% 0.0014 -0.1392)
OKLCH	oklch(60.96% 0.139 270.6)
XYZ	xyz(24.5968, 21.9780, 66.5513)
Luminance	0.2198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CD6 #D6BE64

analogous

#64B5D6 #647CD6 #8564D6

triadic

#647CD6 #D6647C #7CD664

tetradic

#647CD6 #D664B5 #D6BE64 #64D685

square

#647CD6 #D664B5 #D6BE64 #64D685

split-complementary

#647CD6 #D68564 #B5D664

monochromatic

#284098 #3554C8 #647CD6 #94A5E3 #C5CEF0

Accessibility & contrast

On white

3.89

#647CD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#647CD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CD6

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CD6	#FFFFFF	#000000	##000000
##647CD6	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D9

Deuteranopia (green-blind)

#497CD4

Tritanopia (blue-blind)

#2B909F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647cd6;
/* rgb */ color: rgb(100, 124, 214);
/* oklch */ color: oklch(61.0% 0.139 270.6);

Tailwind

colors: {
  custom: {
    50: '#97a1e3',
    500: '#647cd6',
    950: '#000000',
  },
}

SCSS

$custom: #647cd6;
$custom-light: #97a1e3;
$custom-dark: #000000;

JSON

{
  "hex": "#647cd6",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 214
  },
  "hsl": {
    "h": 227.368,
    "s": 58.163,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6096,
    "c": 0.13922,
    "h": 270.6
  },
  "luminance": 0.2198
}

Semantic roles & 50–950 ramp

primary

#647CD6

secondary

#E0D7B6

accent

#A320C6

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647CD6

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

Preview Lab → · Contrast checker → · Palette generator →