#647ADD#647ADD

#647ADD is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.0% C 0.152 H 271.8°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#647ADD
RGB	rgb(100, 122, 221)
HSL	hsl(229, 64%, 63%)
HSV	hsv(229, 55%, 87%)
CMYK	cmyk(54.8%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(53.86, 20.33, -53.20)
CIE-LCH	lch(53.86, 56.96, 290.92°)
OKLab	oklab(60.98% 0.0048 -0.1514)
OKLCH	oklch(60.98% 0.152 271.8)
XYZ	xyz(25.2619, 21.8470, 71.2783)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ADD #DDC764

analogous

#64B6DD #647ADD #8A64DD

triadic

#647ADD #DD647A #7ADD64

tetradic

#647ADD #DD64B6 #DDC764 #64DD8A

square

#647ADD #DD64B6 #DDC764 #64DD8A

split-complementary

#647ADD #DD8A64 #B6DD64

monochromatic

#243BA3 #324FD2 #647ADD #96A5E8 #C8D0F3

Accessibility & contrast

On white

3.91

#647ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#647ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ADD

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ADD	#FFFFFF	#000000	##000000
##647ADD	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E86E1

Deuteranopia (green-blind)

#3F7CDB

Tritanopia (blue-blind)

#2290A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647add;
/* rgb */ color: rgb(100, 122, 221);
/* oklch */ color: oklch(61.0% 0.152 271.8);

Tailwind

colors: {
  custom: {
    50: '#98a0e8',
    500: '#647add',
    950: '#000000',
  },
}

SCSS

$custom: #647add;
$custom-light: #98a0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#647add",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 229.091,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6098,
    "c": 0.15153,
    "h": 271.8
  },
  "luminance": 0.21849
}

Semantic roles & 50–950 ramp

primary

#647ADD

secondary

#E4DCB9

accent

#AB1ACC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #647ADD

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

Preview Lab → · Contrast checker → · Palette generator →