#647BEC#647BEC

#647BEC is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.1% C 0.171 H 271.9°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#647BEC
RGB	rgb(100, 123, 236)
HSL	hsl(230, 78%, 66%)
HSV	hsv(230, 58%, 93%)
CMYK	cmyk(57.6%, 47.9%, 0%, 7.5%)
CIE-LAB	lab(55.00, 24.56, -59.78)
CIE-LCH	lch(55.00, 64.63, 292.34°)
OKLab	oklab(62.13% 0.0057 -0.1708)
OKLCH	oklch(62.13% 0.171 271.9)
XYZ	xyz(27.4738, 22.9293, 82.3186)
Luminance	0.2293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BEC #ECD564

analogous

#64BFEC #647BEC #9164EC

triadic

#647BEC #EC647B #7BEC64

tetradic

#647BEC #EC64BF #ECD564 #64EC91

square

#647BEC #EC64BF #ECD564 #64EC91

split-complementary

#647BEC #EC9164 #BFEC64

monochromatic

#1734BE #2D4DE5 #647BEC #9BA9F3 #D1D8F9

Accessibility & contrast

On white

3.76

#647BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#647BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BEC

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BEC	#FFFFFF	#000000	##000000
##647BEC	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438AF0

Deuteranopia (green-blind)

#2D7EEA

Tritanopia (blue-blind)

#0094A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647bec;
/* rgb */ color: rgb(100, 123, 236);
/* oklch */ color: oklch(62.1% 0.171 271.9);

Tailwind

colors: {
  custom: {
    50: '#9ba0f3',
    500: '#647bec',
    950: '#000000',
  },
}

SCSS

$custom: #647bec;
$custom-light: #9ba0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#647bec",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 236
  },
  "hsl": {
    "h": 229.853,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62126,
    "c": 0.17088,
    "h": 271.9
  },
  "luminance": 0.22931
}

Semantic roles & 50–950 ramp

primary

#647BEC

secondary

#ECE5BF

accent

#B70BDA

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BEC

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

Preview Lab → · Contrast checker → · Palette generator →