#646EAE#646EAE

#646EAE is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.8% C 0.100 H 275.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#646EAE
RGB	rgb(100, 110, 174)
HSL	hsl(232, 31%, 54%)
HSV	hsv(232, 43%, 68%)
CMYK	cmyk(42.5%, 36.8%, 0%, 31.8%)
CIE-LAB	lab(48.15, 13.08, -35.36)
CIE-LCH	lch(48.15, 37.70, 290.30°)
OKLab	oklab(55.79% 0.0103 -0.0993)
OKLCH	oklch(55.79% 0.1 275.9)
XYZ	xyz(18.4691, 16.9163, 42.3282)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EAE #AEA464

analogous

#6493AE #646EAE #7F64AE

triadic

#646EAE #AE646E #6EAE64

tetradic

#646EAE #AE6493 #AEA464 #64AE7F

square

#646EAE #AE6493 #AEA464 #64AE7F

split-complementary

#646EAE #AE7F64 #93AE64

monochromatic

#343A64 #49528C #646EAE #8C94C3 #B4B9D8

Accessibility & contrast

On white

4.79

#646EAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#646EAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646EAE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EAE	#FFFFFF	#000000	##FFFFFF
##646EAE	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5875B1

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#4C7B86

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #646eae;
/* rgb */ color: rgb(100, 110, 174);
/* oklch */ color: oklch(55.8% 0.100 275.9);

Tailwind

colors: {
  custom: {
    50: '#9397c6',
    500: '#646eae',
    950: '#000000',
  },
}

SCSS

$custom: #646eae;
$custom-light: #9397c6;
$custom-dark: #000000;

JSON

{
  "hex": "#646eae",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 174
  },
  "hsl": {
    "h": 231.892,
    "s": 31.356,
    "l": 53.725
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.09988,
    "h": 275.9
  },
  "luminance": 0.16917
}

Semantic roles & 50–950 ramp

primary

#646EAE

secondary

#C7C2A7

accent

#BA60C8

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #646EAE

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

Preview Lab → · Contrast checker → · Palette generator →