Recognised as Colour

#64808B

#64808B
Cyan
Dark
Nearest: Slate grey

#64808B is a cyan with RGB values 100, 128, 139 and HSL 197°, 16%, 47%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#64808B#64808B

HEX#64808B

RGBrgb(100, 128, 139)

RGB (0–1)0.3922, 0.502, 0.5451

RGB percentages39.2%, 50.2%, 54.5%

HSLhsl(196.9, 16.3%, 46.9%)

HSV / HSBhsv(196.9, 28.1%, 54.5%)

CMYK28.1%, 7.9%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,586,507

CSS custom property--colour: #64808B;

Brightness & contrast

Relative luminance0.20012WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5:1

Contrast with white4.2:1WCAG normal text: Fail

Contrast with black5:1WCAG normal text: AA

Greyscale equivalent#7B7B7B

Inverted#9B7F74

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A7E8Cno red cones; affects about 1% of men; ΔE 8.9 from the original

Deuteranopia#747A8Bno green cones; the most common form, about 1% of men; ΔE 8.8 from the original

Tritanopia#588483no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.2:1WCAG large text: AA

Contrast with black, large text5:1WCAG large text: AAA

Named colours

Slate grey · ΔE 5.4 Light slate grey · ΔE 6.7 Gray · ΔE 11.9 Dim grey · ΔE 13.9 Cadetblue · ΔE 15.6 Dark grey · ΔE 21

Nearest named CSS colourSlate grey (#708090)ΔE 5.41, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B6F64

Analogous#648B83, #646D8B

Triadic#8B6480, #808B64

Split complementary#8B646D, #8B8264

Tetradic#83648B, #8B6F64, #6D8B64

Tints, shades & saturation

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

Lighter +40%#D8E0E3

Lighter +30%#BAC8CE

Lighter +20%#9DB1B8

Lighter +10%#7F99A3

Darker −10%#4F656D

Darker −20%#394950

Darker −30%#242E32

Darker −40%#0F1314

More saturated +25%#468DA9

Less saturated −25%#777777

Channel breakdown

R100

G128

B139

Red100 (39.2%)

Green128 (50.2%)

Blue139 (54.5%)

Hue196.92°

Saturation (HSL)16.32%

Lightness46.86%

Dominant channelBlue

Hex per channelR 64 · G 80 · B 8B

Keep nerding

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

#64808B

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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