#646684#646684

#646684 is a mid, muted blue. Relative luminance 0.139; OKLCH L 52.0% C 0.047 H 281.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#646684
RGB	rgb(100, 102, 132)
HSL	hsl(236, 14%, 45%)
HSV	hsv(236, 24%, 52%)
CMYK	cmyk(24.2%, 22.7%, 0%, 48.2%)
CIE-LAB	lab(44.06, 6.26, -16.86)
CIE-LCH	lch(44.06, 17.98, 290.37°)
OKLab	oklab(52% 0.0095 -0.0463)
OKLCH	oklch(52% 0.047 281.6)
XYZ	xyz(14.1707, 13.8777, 23.7574)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646684 #848264

analogous

#647684 #646684 #726484

triadic

#646684 #846466 #668464

tetradic

#646684 #846476 #848264 #648472

square

#646684 #846476 #848264 #648472

split-complementary

#646684 #847264 #768464

monochromatic

#2F303E #4A4B61 #646684 #8486A2 #A6A8BC

Accessibility & contrast

On white

5.56

#646684 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#646684 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646684

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646684	#FFFFFF	#000000	##FFFFFF
##646684	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6985

Deuteranopia (green-blind)

#5D6783

Tritanopia (blue-blind)

#5D6B70

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646684;
/* rgb */ color: rgb(100, 102, 132);
/* oklch */ color: oklch(52.0% 0.047 281.6);

Tailwind

colors: {
  custom: {
    50: '#9091a7',
    500: '#646684',
    950: '#000000',
  },
}

SCSS

$custom: #646684;
$custom-light: #9091a7;
$custom-dark: #000000;

JSON

{
  "hex": "#646684",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 132
  },
  "hsl": {
    "h": 236.25,
    "s": 13.793,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52004,
    "c": 0.04724,
    "h": 281.6
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#646684

secondary

#ABAA99

accent

#B271B7

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0C0C0F

muted

#7D7D7F

Preview Lab

Preview with #646684

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

Preview Lab → · Contrast checker → · Palette generator →