#647CEE#647CEE

#647CEE is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.5% C 0.172 H 271.6°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#647CEE
RGB	rgb(100, 124, 238)
HSL	hsl(230, 80%, 66%)
HSV	hsv(230, 58%, 93%)
CMYK	cmyk(58%, 47.9%, 0%, 6.7%)
CIE-LAB	lab(55.38, 24.61, -60.30)
CIE-LCH	lch(55.38, 65.12, 292.20°)
OKLab	oklab(62.45% 0.0049 -0.1723)
OKLCH	oklch(62.45% 0.172 271.6)
XYZ	xyz(27.8907, 23.2955, 83.8991)
Luminance	0.2330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CEE #EED664

analogous

#64C1EE #647CEE #9164EE

triadic

#647CEE #EE647C #7CEE64

tetradic

#647CEE #EE64C1 #EED664 #64EE91

square

#647CEE #EE64C1 #EED664 #64EE91

split-complementary

#647CEE #EE9164 #C1EE64

monochromatic

#1533C2 #2D4DE8 #647CEE #9BABF4 #D2D9FA

Accessibility & contrast

On white

3.71

#647CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#647CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CEE

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CEE	#FFFFFF	#000000	##000000
##647CEE	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438BF2

Deuteranopia (green-blind)

#2C7FEC

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647cee;
/* rgb */ color: rgb(100, 124, 238);
/* oklch */ color: oklch(62.5% 0.172 271.6);

Tailwind

colors: {
  custom: {
    50: '#9ba1f4',
    500: '#647cee',
    950: '#000000',
  },
}

SCSS

$custom: #647cee;
$custom-light: #9ba1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#647cee",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 238
  },
  "hsl": {
    "h": 229.565,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6245,
    "c": 0.17234,
    "h": 271.6
  },
  "luminance": 0.23298
}

Semantic roles & 50–950 ramp

primary

#647CEE

secondary

#EDE6C0

accent

#B809DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CEE

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

Preview Lab → · Contrast checker → · Palette generator →