#647BEA#647BEA

#647BEA is a mid, vivid blue. Relative luminance 0.228; OKLCH L 62.0% C 0.168 H 271.9°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#647BEA
RGB	rgb(100, 123, 234)
HSL	hsl(230, 76%, 65%)
HSV	hsv(230, 57%, 92%)
CMYK	cmyk(57.3%, 47.4%, 0%, 8.2%)
CIE-LAB	lab(54.88, 23.92, -58.86)
CIE-LCH	lch(54.88, 63.53, 292.11°)
OKLab	oklab(62% 0.0055 -0.1681)
OKLCH	oklch(62% 0.168 271.9)
XYZ	xyz(27.1849, 22.8137, 80.7969)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BEA #EAD364

analogous

#64BEEA #647BEA #9064EA

triadic

#647BEA #EA647B #7BEA64

tetradic

#647BEA #EA64BE #EAD364 #64EA90

square

#647BEA #EA64BE #EAD364 #64EA90

split-complementary

#647BEA #EA9064 #BEEA64

monochromatic

#1935BA #2E4DE3 #647BEA #9AA9F1 #D0D7F9

Accessibility & contrast

On white

3.77

#647BEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#647BEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BEA

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BEA	#FFFFFF	#000000	##000000
##647BEA	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4589EE

Deuteranopia (green-blind)

#307EE8

Tritanopia (blue-blind)

#0094A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647bea;
/* rgb */ color: rgb(100, 123, 234);
/* oklch */ color: oklch(62.0% 0.168 271.9);

Tailwind

colors: {
  custom: {
    50: '#9aa0f1',
    500: '#647bea',
    950: '#000000',
  },
}

SCSS

$custom: #647bea;
$custom-light: #9aa0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#647bea",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 234
  },
  "hsl": {
    "h": 229.701,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.61997,
    "c": 0.16815,
    "h": 271.9
  },
  "luminance": 0.22816
}

Semantic roles & 50–950 ramp

primary

#647BEA

secondary

#EBE4BE

accent

#B50DD8

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BEA

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

Preview Lab → · Contrast checker → · Palette generator →