#647AE1#647AE1

#647AE1 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.2% C 0.157 H 272.0°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#647AE1
RGB	rgb(100, 122, 225)
HSL	hsl(229, 68%, 64%)
HSV	hsv(229, 56%, 88%)
CMYK	cmyk(55.6%, 45.8%, 0%, 11.8%)
CIE-LAB	lab(54.09, 21.62, -55.08)
CIE-LCH	lch(54.09, 59.17, 291.43°)
OKLab	oklab(61.23% 0.0054 -0.157)
OKLCH	oklch(61.23% 0.157 272)
XYZ	xyz(25.8012, 22.0628, 74.1185)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AE1 #E1CB64

analogous

#64B8E1 #647AE1 #8C64E1

triadic

#647AE1 #E1647A #7AE164

tetradic

#647AE1 #E164B8 #E1CB64 #64E18C

square

#647AE1 #E164B8 #E1CB64 #64E18C

split-complementary

#647AE1 #E18C64 #B8E164

monochromatic

#2139AA #314ED7 #647AE1 #97A6EB #CBD2F5

Accessibility & contrast

On white

3.88

#647AE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#647AE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AE1

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AE1	#FFFFFF	#000000	##000000
##647AE1	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B87E5

Deuteranopia (green-blind)

#3A7CDF

Tritanopia (blue-blind)

#1A91A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647ae1;
/* rgb */ color: rgb(100, 122, 225);
/* oklch */ color: oklch(61.2% 0.157 272.0);

Tailwind

colors: {
  custom: {
    50: '#99a0eb',
    500: '#647ae1',
    950: '#000000',
  },
}

SCSS

$custom: #647ae1;
$custom-light: #99a0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#647ae1",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 225
  },
  "hsl": {
    "h": 229.44,
    "s": 67.568,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61229,
    "c": 0.15706,
    "h": 272
  },
  "luminance": 0.22065
}

Semantic roles & 50–950 ramp

primary

#647AE1

secondary

#E6DFBA

accent

#AF16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #647AE1

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

Preview Lab → · Contrast checker → · Palette generator →