Colour

#645C5A

#645C5A
Grey
Dark
Nearest: Dim grey

#645C5A is a grey with RGB values 100, 92, 90 and HSL 12°, 5%, 37%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#645C5A#645C5A

HEX#645C5A

RGBrgb(100, 92, 90)

RGB (0–1)0.3922, 0.3608, 0.3529

RGB percentages39.2%, 36.1%, 35.3%

HSLhsl(12, 5.3%, 37.3%)

HSV / HSBhsv(12, 10%, 39.2%)

CMYK0%, 8%, 10%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,577,242

CSS custom property--colour: #645C5A;

Brightness & contrast

Relative luminance0.11102WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.52:1

Contrast with white6.52:1WCAG normal text: AA

Contrast with black3.22:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#9BA3A5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5D5Ano red cones; affects about 1% of men; ΔE 3.1 from the original

Deuteranopia#5F5E5Ano green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#665B5Bno blue cones; rare, and affects men and women equally; ΔE 1.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.52:1WCAG large text: AAA

Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Dim grey · ΔE 5.9 Gray · ΔE 14.3 Dark slate grey · ΔE 17.9 Slate grey · ΔE 19 Light slate grey · ΔE 21.6 Rosy brown · ΔE 28.1

Nearest named CSS colourDim grey (#696969)ΔE 5.92, clearly different but related

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5A6264

Analogous#645A5D, #64615A

Triadic#5A645C, #5C5A64

Split complementary#5A6461, #5A5D64

Tetradic#5D645A, #5A6264, #615A64

Tints, shades & saturation

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

Lighter +40%#C8C3C2

Lighter +30%#B0A9A7

Lighter +20%#988F8C

Lighter +10%#7F7572

Darker −10%#494342

Darker −20%#2E2B2A

Darker −30%#131212

Darker −40%#000000

More saturated +25%#7C4E42

Less saturated −25%#5F5F5F

Channel breakdown

R100

G92

B90

Red100 (39.2%)

Green92 (36.1%)

Blue90 (35.3%)

Hue12°

Saturation (HSL)5.26%

Lightness37.25%

Dominant channelRed

Hex per channelR 64 · G 5C · B 5A

Keep nerding

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

#645C5A

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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