#646AE0#646AE0

#646AE0 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 58.1% C 0.176 H 277.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#646AE0
RGB	rgb(100, 106, 224)
HSL	hsl(237, 67%, 64%)
HSV	hsv(237, 55%, 88%)
CMYK	cmyk(55.4%, 52.7%, 0%, 12.2%)
CIE-LAB	lab(49.97, 31.04, -61.14)
CIE-LCH	lch(49.97, 68.56, 296.92°)
OKLab	oklab(58.1% 0.0221 -0.1749)
OKLCH	oklch(58.1% 0.176 277.2)
XYZ	xyz(23.8598, 18.3976, 72.8004)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AE0 #E0DA64

analogous

#64A8E0 #646AE0 #9C64E0

triadic

#646AE0 #E0646A #6AE064

tetradic

#646AE0 #E064A8 #E0DA64 #64E09C

square

#646AE0 #E064A8 #E0DA64 #64E09C

split-complementary

#646AE0 #E09C64 #A8E064

monochromatic

#2228A8 #3139D6 #646AE0 #979BEA #CACCF4

Accessibility & contrast

On white

4.49

#646AE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#646AE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AE0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AE0	#FFFFFF	#000000	##000000
##646AE0	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#257CE4

Deuteranopia (green-blind)

#0372DE

Tritanopia (blue-blind)

#22859B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #646ae0;
/* rgb */ color: rgb(100, 106, 224);
/* oklch */ color: oklch(58.1% 0.176 277.2);

Tailwind

colors: {
  custom: {
    50: '#9a94ea',
    500: '#646ae0',
    950: '#000000',
  },
}

SCSS

$custom: #646ae0;
$custom-light: #9a94ea;
$custom-dark: #000000;

JSON

{
  "hex": "#646ae0",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 224
  },
  "hsl": {
    "h": 237.097,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.58096,
    "c": 0.17631,
    "h": 277.2
  },
  "luminance": 0.18399
}

Semantic roles & 50–950 ramp

primary

#646AE0

secondary

#E6E4BA

accent

#C617CF

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646AE0

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

Preview Lab → · Contrast checker → · Palette generator →