#647BEE#647BEE

#647BEE is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.3% C 0.174 H 272.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#647BEE
RGB	rgb(100, 123, 238)
HSL	hsl(230, 80%, 66%)
HSV	hsv(230, 58%, 93%)
CMYK	cmyk(58%, 48.3%, 0%, 6.7%)
CIE-LAB	lab(55.12, 25.21, -60.71)
CIE-LCH	lch(55.12, 65.73, 292.55°)
OKLab	oklab(62.26% 0.0059 -0.1735)
OKLCH	oklch(62.26% 0.174 272)
XYZ	xyz(27.7660, 23.0461, 83.8575)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BEE #EED764

analogous

#64C0EE #647BEE #9264EE

triadic

#647BEE #EE647B #7BEE64

tetradic

#647BEE #EE64C0 #EED764 #64EE92

square

#647BEE #EE64C0 #EED764 #64EE92

split-complementary

#647BEE #EE9264 #C0EE64

monochromatic

#1532C2 #2D4CE8 #647BEE #9BAAF4 #D2D9FA

Accessibility & contrast

On white

3.74

#647BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#647BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BEE

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BEE	#FFFFFF	#000000	##000000
##647BEE	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418AF2

Deuteranopia (green-blind)

#297EEC

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647bee;
/* rgb */ color: rgb(100, 123, 238);
/* oklch */ color: oklch(62.3% 0.174 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ba0f4',
    500: '#647bee',
    950: '#000000',
  },
}

SCSS

$custom: #647bee;
$custom-light: #9ba0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#647bee",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 238
  },
  "hsl": {
    "h": 230,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.62256,
    "c": 0.17359,
    "h": 272
  },
  "luminance": 0.23048
}

Semantic roles & 50–950 ramp

primary

#647BEE

secondary

#EDE6C0

accent

#B909DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BEE

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

Preview Lab → · Contrast checker → · Palette generator →