#647DF3#647DF3

#647DF3 is a light, vivid blue. Relative luminance 0.238; OKLCH L 63.0% C 0.178 H 271.4°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#647DF3
RGB	rgb(100, 125, 243)
HSL	hsl(230, 86%, 67%)
HSV	hsv(230, 59%, 95%)
CMYK	cmyk(58.8%, 48.6%, 0%, 4.7%)
CIE-LAB	lab(55.93, 25.63, -62.18)
CIE-LCH	lch(55.93, 67.25, 292.40°)
OKLab	oklab(62.97% 0.0045 -0.1778)
OKLCH	oklch(62.97% 0.178 271.4)
XYZ	xyz(28.7614, 23.8453, 87.8636)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DF3 #F3DA64

analogous

#64C5F3 #647DF3 #9264F3

triadic

#647DF3 #F3647D #7DF364

tetradic

#647DF3 #F364C5 #F3DA64 #64F392

square

#647DF3 #F364C5 #F3DA64 #64F392

split-complementary

#647DF3 #F39264 #C5F364

monochromatic

#1031CD #2B4DEF #647DF3 #9DADF7 #D6DCFC

Accessibility & contrast

On white

3.64

#647DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#647DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DF3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DF3	#FFFFFF	#000000	##000000
##647DF3	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408DF7

Deuteranopia (green-blind)

#2680F1

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647df3;
/* rgb */ color: rgb(100, 125, 243);
/* oklch */ color: oklch(63.0% 0.178 271.4);

Tailwind

colors: {
  custom: {
    50: '#9ba2f8',
    500: '#647df3',
    950: '#000000',
  },
}

SCSS

$custom: #647df3;
$custom-light: #9ba2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647df3",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 243
  },
  "hsl": {
    "h": 229.51,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.6297,
    "c": 0.17785,
    "h": 271.4
  },
  "luminance": 0.23848
}

Semantic roles & 50–950 ramp

primary

#647DF3

secondary

#F0E8C3

accent

#BB03E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647DF3

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

Preview Lab → · Contrast checker → · Palette generator →