#647EDE#647EDE

#647EDE is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.8% C 0.148 H 270.2°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#647EDE
RGB	rgb(100, 126, 222)
HSL	hsl(227, 65%, 63%)
HSV	hsv(227, 55%, 87%)
CMYK	cmyk(55%, 43.2%, 0%, 12.9%)
CIE-LAB	lab(54.97, 18.23, -52.00)
CIE-LCH	lch(54.97, 55.10, 289.32°)
OKLab	oklab(61.85% 0.0006 -0.1479)
OKLCH	oklch(61.85% 0.148 270.2)
XYZ	xyz(25.8969, 22.9031, 72.1492)
Luminance	0.2291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EDE #DEC464

analogous

#64BBDE #647EDE #8764DE

triadic

#647EDE #DE647E #7EDE64

tetradic

#647EDE #DE64BB #DEC464 #64DE87

square

#647EDE #DE64BB #DEC464 #64DE87

split-complementary

#647EDE #DE8764 #BBDE64

monochromatic

#233FA5 #3254D3 #647EDE #96A8E9 #C9D2F3

Accessibility & contrast

On white

3.76

#647EDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#647EDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EDE

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EDE	#FFFFFF	#000000	##000000
##647EDE	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5489E2

Deuteranopia (green-blind)

#457FDC

Tritanopia (blue-blind)

#1F93A3

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647ede;
/* rgb */ color: rgb(100, 126, 222);
/* oklch */ color: oklch(61.8% 0.148 270.2);

Tailwind

colors: {
  custom: {
    50: '#98a3e9',
    500: '#647ede',
    950: '#000000',
  },
}

SCSS

$custom: #647ede;
$custom-light: #98a3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#647ede",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 222
  },
  "hsl": {
    "h": 227.213,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61845,
    "c": 0.14787,
    "h": 270.2
  },
  "luminance": 0.22905
}

Semantic roles & 50–950 ramp

primary

#647EDE

secondary

#E5DBB9

accent

#A619CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #647EDE

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

Preview Lab → · Contrast checker → · Palette generator →