#646FE0#646FE0

#646FE0 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.0% C 0.170 H 275.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#646FE0
RGB	rgb(100, 111, 224)
HSL	hsl(235, 67%, 64%)
HSV	hsv(235, 55%, 88%)
CMYK	cmyk(55.4%, 50.4%, 0%, 12.2%)
CIE-LAB	lab(51.22, 28.00, -59.13)
CIE-LCH	lch(51.22, 65.42, 295.33°)
OKLab	oklab(59.03% 0.0169 -0.169)
OKLCH	oklch(59.03% 0.17 275.7)
XYZ	xyz(24.3902, 19.4583, 72.9771)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FE0 #E0D564

analogous

#64ADE0 #646FE0 #9764E0

triadic

#646FE0 #E0646F #6FE064

tetradic

#646FE0 #E064AD #E0D564 #64E097

square

#646FE0 #E064AD #E0D564 #64E097

split-complementary

#646FE0 #E09764 #ADE064

monochromatic

#222EA8 #3140D6 #646FE0 #979EEA #CACEF4

Accessibility & contrast

On white

4.29

#646FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#646FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FE0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FE0	#FFFFFF	#000000	##000000
##646FE0	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347FE4

Deuteranopia (green-blind)

#1F75DE

Tritanopia (blue-blind)

#20889D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646fe0;
/* rgb */ color: rgb(100, 111, 224);
/* oklch */ color: oklch(59.0% 0.170 275.7);

Tailwind

colors: {
  custom: {
    50: '#9998ea',
    500: '#646fe0',
    950: '#000000',
  },
}

SCSS

$custom: #646fe0;
$custom-light: #9998ea;
$custom-dark: #000000;

JSON

{
  "hex": "#646fe0",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 224
  },
  "hsl": {
    "h": 234.677,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.59031,
    "c": 0.16982,
    "h": 275.7
  },
  "luminance": 0.1946
}

Semantic roles & 50–950 ramp

primary

#646FE0

secondary

#E6E2BA

accent

#BE17CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D16

muted

#7E7E84

Preview Lab

Preview with #646FE0

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

Preview Lab → · Contrast checker → · Palette generator →