#646EE0#646EE0

#646EE0 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.8% C 0.171 H 276.0°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#646EE0
RGB	rgb(100, 110, 224)
HSL	hsl(235, 67%, 64%)
HSV	hsv(235, 55%, 88%)
CMYK	cmyk(55.4%, 50.9%, 0%, 12.2%)
CIE-LAB	lab(50.97, 28.60, -59.54)
CIE-LCH	lch(50.97, 66.05, 295.66°)
OKLab	oklab(58.84% 0.018 -0.1702)
OKLCH	oklch(58.84% 0.171 276)
XYZ	xyz(24.2817, 19.2413, 72.9410)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EE0 #E0D664

analogous

#64ACE0 #646EE0 #9864E0

triadic

#646EE0 #E0646E #6EE064

tetradic

#646EE0 #E064AC #E0D664 #64E098

square

#646EE0 #E064AC #E0D664 #64E098

split-complementary

#646EE0 #E09864 #ACE064

monochromatic

#222CA8 #313ED6 #646EE0 #979EEA #CACDF4

Accessibility & contrast

On white

4.33

#646EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#646EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EE0

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EE0	#FFFFFF	#000000	##000000
##646EE0	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317FE4

Deuteranopia (green-blind)

#1B74DE

Tritanopia (blue-blind)

#20889D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646ee0;
/* rgb */ color: rgb(100, 110, 224);
/* oklch */ color: oklch(58.8% 0.171 276.0);

Tailwind

colors: {
  custom: {
    50: '#9997ea',
    500: '#646ee0',
    950: '#000000',
  },
}

SCSS

$custom: #646ee0;
$custom-light: #9997ea;
$custom-dark: #000000;

JSON

{
  "hex": "#646ee0",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 224
  },
  "hsl": {
    "h": 235.161,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.58842,
    "c": 0.17113,
    "h": 276
  },
  "luminance": 0.19243
}

Semantic roles & 50–950 ramp

primary

#646EE0

secondary

#E6E2BA

accent

#C017CF

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646EE0

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

Preview Lab → · Contrast checker → · Palette generator →