#647FD6#647FD6

#647FD6 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.135 H 269.2°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#647FD6
RGB	rgb(100, 127, 214)
HSL	hsl(226, 58%, 62%)
HSV	hsv(226, 53%, 84%)
CMYK	cmyk(53.3%, 40.7%, 0%, 16.1%)
CIE-LAB	lab(54.80, 15.07, -47.76)
CIE-LCH	lch(54.80, 50.08, 287.52°)
OKLab	oklab(61.58% -0.002 -0.1354)
OKLCH	oklch(61.58% 0.135 269.2)
XYZ	xyz(24.9785, 22.7413, 66.6786)
Luminance	0.2274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FD6 #D6BB64

analogous

#64B8D6 #647FD6 #8264D6

triadic

#647FD6 #D6647F #7FD664

tetradic

#647FD6 #D664B8 #D6BB64 #64D682

square

#647FD6 #D664B8 #D6BB64 #64D682

split-complementary

#647FD6 #D68264 #B8D664

monochromatic

#284298 #3558C8 #647FD6 #94A7E3 #C5CFF0

Accessibility & contrast

On white

3.78

#647FD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#647FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FD6

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FD6	#FFFFFF	#000000	##000000
##647FD6	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B89D9

Deuteranopia (green-blind)

#4E7ED4

Tritanopia (blue-blind)

#2A92A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647fd6;
/* rgb */ color: rgb(100, 127, 214);
/* oklch */ color: oklch(61.6% 0.135 269.2);

Tailwind

colors: {
  custom: {
    50: '#97a3e3',
    500: '#647fd6',
    950: '#000000',
  },
}

SCSS

$custom: #647fd6;
$custom-light: #97a3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#647fd6",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 214
  },
  "hsl": {
    "h": 225.789,
    "s": 58.163,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61575,
    "c": 0.13546,
    "h": 269.2
  },
  "luminance": 0.22743
}

Semantic roles & 50–950 ramp

primary

#647FD6

secondary

#E0D6B6

accent

#9E20C6

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FD6

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

Preview Lab → · Contrast checker → · Palette generator →