#646686#646686

#646686 is a mid, muted blue. Relative luminance 0.139; OKLCH L 52.1% C 0.050 H 281.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#646686
RGB	rgb(100, 102, 134)
HSL	hsl(236, 15%, 46%)
HSV	hsv(236, 25%, 53%)
CMYK	cmyk(25.4%, 23.9%, 0%, 47.5%)
CIE-LAB	lab(44.14, 6.78, -17.94)
CIE-LCH	lch(44.14, 19.17, 290.70°)
OKLab	oklab(52.09% 0.0102 -0.0493)
OKLCH	oklch(52.09% 0.05 281.7)
XYZ	xyz(14.3089, 13.9330, 24.4851)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646686 #868464

analogous

#647786 #646686 #736486

triadic

#646686 #866466 #668664

tetradic

#646686 #866477 #868464 #648673

square

#646686 #866477 #868464 #648673

split-complementary

#646686 #867364 #778664

monochromatic

#303140 #4A4B63 #646686 #8486A3 #A7A8BD

Accessibility & contrast

On white

5.55

#646686 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#646686 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646686

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646686	#FFFFFF	#000000	##FFFFFF
##646686	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6A87

Deuteranopia (green-blind)

#5C6785

Tritanopia (blue-blind)

#5C6C71

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646686;
/* rgb */ color: rgb(100, 102, 134);
/* oklch */ color: oklch(52.1% 0.050 281.7);

Tailwind

colors: {
  custom: {
    50: '#9191a9',
    500: '#646686',
    950: '#000000',
  },
}

SCSS

$custom: #646686;
$custom-light: #9191a9;
$custom-dark: #000000;

JSON

{
  "hex": "#646686",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 134
  },
  "hsl": {
    "h": 236.471,
    "s": 14.53,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52092,
    "c": 0.05037,
    "h": 281.7
  },
  "luminance": 0.13933
}

Semantic roles & 50–950 ramp

primary

#646686

secondary

#ACAB9A

accent

#B370B7

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0C0C0F

muted

#7D7D7F

Preview Lab

Preview with #646686

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

Preview Lab → · Contrast checker → · Palette generator →