#647AF1#647AF1

#647AF1 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.3% C 0.179 H 272.3°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#647AF1
RGB	rgb(100, 122, 241)
HSL	hsl(231, 83%, 67%)
HSV	hsv(231, 59%, 95%)
CMYK	cmyk(58.5%, 49.4%, 0%, 5.5%)
CIE-LAB	lab(55.05, 26.79, -62.49)
CIE-LCH	lch(55.05, 67.99, 293.21°)
OKLab	oklab(62.26% 0.0072 -0.1787)
OKLCH	oklch(62.26% 0.179 272.3)
XYZ	xyz(28.0870, 22.9771, 86.1570)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AF1 #F1DB64

analogous

#64C1F1 #647AF1 #9564F1

triadic

#647AF1 #F1647A #7AF164

tetradic

#647AF1 #F164C1 #F1DB64 #64F195

square

#647AF1 #F164C1 #F1DB64 #64F195

split-complementary

#647AF1 #F19564 #C1F164

monochromatic

#122FC8 #2C4AEC #647AF1 #9CAAF6 #D4DAFB

Accessibility & contrast

On white

3.75

#647AF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#647AF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AF1

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AF1	#FFFFFF	#000000	##000000
##647AF1	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8AF5

Deuteranopia (green-blind)

#1F7EEF

Tritanopia (blue-blind)

#0095AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647af1;
/* rgb */ color: rgb(100, 122, 241);
/* oklch */ color: oklch(62.3% 0.179 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ba0f6',
    500: '#647af1',
    950: '#000000',
  },
}

SCSS

$custom: #647af1;
$custom-light: #9ba0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647af1",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 241
  },
  "hsl": {
    "h": 230.638,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62261,
    "c": 0.17889,
    "h": 272.3
  },
  "luminance": 0.22979
}

Semantic roles & 50–950 ramp

primary

#647AF1

secondary

#EFE8C2

accent

#BE06E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AF1

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

Preview Lab → · Contrast checker → · Palette generator →