#646EDC#646EDC

#646EDC is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.6% C 0.166 H 276.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#646EDC
RGB	rgb(100, 110, 220)
HSL	hsl(235, 63%, 63%)
HSV	hsv(235, 55%, 86%)
CMYK	cmyk(54.5%, 50%, 0%, 13.7%)
CIE-LAB	lab(50.72, 27.33, -57.68)
CIE-LCH	lch(50.72, 63.83, 295.35°)
OKLab	oklab(58.57% 0.0176 -0.1647)
OKLCH	oklch(58.57% 0.166 276.1)
XYZ	xyz(23.7456, 19.0269, 70.1176)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EDC #DCD264

analogous

#64AADC #646EDC #9664DC

triadic

#646EDC #DC646E #6EDC64

tetradic

#646EDC #DC64AA #DCD264 #64DC96

square

#646EDC #DC64AA #DCD264 #64DC96

split-complementary

#646EDC #DC9664 #AADC64

monochromatic

#242FA1 #323FD1 #646EDC #969DE7 #C8CBF3

Accessibility & contrast

On white

4.37

#646EDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#646EDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EDC

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EDC	#FFFFFF	#000000	##000000
##646EDC	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE0

Deuteranopia (green-blind)

#2474DA

Tritanopia (blue-blind)

#27879B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646edc;
/* rgb */ color: rgb(100, 110, 220);
/* oklch */ color: oklch(58.6% 0.166 276.1);

Tailwind

colors: {
  custom: {
    50: '#9997e7',
    500: '#646edc',
    950: '#000000',
  },
}

SCSS

$custom: #646edc;
$custom-light: #9997e7;
$custom-dark: #000000;

JSON

{
  "hex": "#646edc",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 220
  },
  "hsl": {
    "h": 235,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.58574,
    "c": 0.16565,
    "h": 276.1
  },
  "luminance": 0.19028
}

Semantic roles & 50–950 ramp

primary

#646EDC

secondary

#E4E0B8

accent

#BC1BCB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0D16

muted

#7E7E84

Preview Lab

Preview with #646EDC

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

Preview Lab → · Contrast checker → · Palette generator →