#647BE5#647BE5

#647BE5 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.7% C 0.161 H 271.7°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#647BE5
RGB	rgb(100, 123, 229)
HSL	hsl(229, 71%, 65%)
HSV	hsv(229, 56%, 90%)
CMYK	cmyk(56.3%, 46.3%, 0%, 10.2%)
CIE-LAB	lab(54.59, 22.30, -56.54)
CIE-LCH	lch(54.59, 60.78, 291.52°)
OKLab	oklab(61.68% 0.0048 -0.1612)
OKLCH	oklch(61.68% 0.161 271.7)
XYZ	xyz(26.4767, 22.5304, 77.0671)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BE5 #E5CE64

analogous

#64BCE5 #647BE5 #8D64E5

triadic

#647BE5 #E5647B #7BE564

tetradic

#647BE5 #E564BC #E5CE64 #64E58D

square

#647BE5 #E564BC #E5CE64 #64E58D

split-complementary

#647BE5 #E58D64 #BCE564

monochromatic

#1E38B1 #304EDC #647BE5 #98A8EE #CDD4F7

Accessibility & contrast

On white

3.81

#647BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#647BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BE5

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BE5	#FFFFFF	#000000	##000000
##647BE5	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4988E9

Deuteranopia (green-blind)

#377DE3

Tritanopia (blue-blind)

#0F93A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647be5;
/* rgb */ color: rgb(100, 123, 229);
/* oklch */ color: oklch(61.7% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#9aa0ee',
    500: '#647be5',
    950: '#000000',
  },
}

SCSS

$custom: #647be5;
$custom-light: #9aa0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647be5",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 229
  },
  "hsl": {
    "h": 229.302,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.61678,
    "c": 0.16131,
    "h": 271.7
  },
  "luminance": 0.22532
}

Semantic roles & 50–950 ramp

primary

#647BE5

secondary

#E9E1BC

accent

#B112D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #647BE5

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

Preview Lab → · Contrast checker → · Palette generator →