Colour

#646D6E

#646D6E
Grey
Dark
Nearest: Dim grey

#646D6E is a grey with RGB values 100, 109, 110 and HSL 186°, 5%, 41%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#646D6E#646D6E

HEX#646D6E

RGBrgb(100, 109, 110)

RGB (0–1)0.3922, 0.4275, 0.4314

RGB percentages39.2%, 42.7%, 43.1%

HSLhsl(186, 4.8%, 41.2%)

HSV / HSBhsv(186, 9.1%, 43.1%)

CMYK9.1%, 0.9%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,581,614

CSS custom property--colour: #646D6E;

Brightness & contrast

Relative luminance0.14772WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.31:1

Contrast with white5.31:1WCAG normal text: AA

Contrast with black3.95:1WCAG normal text: Fail

Greyscale equivalent#6B6B6B

Inverted#9B9291

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B6C6Eno red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#6A6B6Eno green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#616E6Dno blue cones; rare, and affects men and women equally; ΔE 2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.31:1WCAG large text: AAA

Contrast with black, large text3.95:1WCAG large text: AA

Named colours

Dim grey · ΔE 3.7 Gray · ΔE 9 Slate grey · ΔE 11.7 Light slate grey · ΔE 14.2 Dark slate grey · ΔE 16.6 Cadetblue · ΔE 23.6

Nearest named CSS colourDim grey (#696969)ΔE 3.74, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#6E6564

Analogous#646E6A, #64686E

Triadic#6E646D, #6D6E64

Split complementary#6E6468, #6E6A64

Tetradic#6A646E, #6E6564, #686E64

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CDD1D1

Lighter +30%#B2B8B9

Lighter +20%#97A0A1

Lighter +10%#7D8788

Darker −10%#4C5353

Darker −20%#333839

Darker −30%#1B1E1E

Darker −40%#030303

More saturated +25%#4A8288

Less saturated −25%#696969

Channel breakdown

R100

G109

B110

Red100 (39.2%)

Green109 (42.7%)

Blue110 (43.1%)

Hue186°

Saturation (HSL)4.76%

Lightness41.18%

Dominant channelBlue

Hex per channelR 64 · G 6D · B 6E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#646D6E

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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