Colour

#665A7D

#665A7D
Violet
Dark
Nearest: Slate grey

#665A7D is a violet with RGB values 102, 90, 125 and HSL 261°, 16%, 42%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#665A7D#665A7D

HEX#665A7D

RGBrgb(102, 90, 125)

RGB (0–1)0.4, 0.3529, 0.4902

RGB percentages40%, 35.3%, 49%

HSLhsl(260.6, 16.3%, 42.2%)

HSV / HSBhsv(260.6, 28%, 49%)

CMYK18.4%, 28%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,707,837

CSS custom property--colour: #665A7D;

Brightness & contrast

Relative luminance0.11618WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.32:1

Contrast with white6.32:1WCAG normal text: AA

Contrast with black3.32:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#99A582

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#53607Eno red cones; affects about 1% of men; ΔE 9.8 from the original

Deuteranopia#555F7Cno green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#625F66no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.32:1WCAG large text: AAA

Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Slate grey · ΔE 20.5 Dim grey · ΔE 22.2 Light slate grey · ΔE 22.4 Steel blue · ΔE 24.9 Gray · ΔE 25.4 Dark slateblue · ΔE 29.4

Nearest named CSS colourSlate grey (#708090)ΔE 20.48, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#717D5A

Analogous#5A5F7D, #785A7D

Triadic#7D665A, #5A7D66

Split complementary#7D785A, #5F7D5A

Tetradic#7D5A5F, #717D5A, #5A7D78

Tints, shades & saturation

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

Lighter +40%#CFCAD9

Lighter +30%#B4ACC4

Lighter +20%#9A8FAE

Lighter +10%#7F7199

Darker −10%#4E455F

Darker −20%#362F42

Darker −30%#1D1A24

Darker −40%#050506

More saturated +25%#5E3F98

Less saturated −25%#6C6C6C

Channel breakdown

R102

G90

B125

Red102 (40%)

Green90 (35.3%)

Blue125 (49%)

Hue260.57°

Saturation (HSL)16.28%

Lightness42.16%

Dominant channelBlue

Hex per channelR 66 · G 5A · B 7D

Keep nerding

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

#665A7D

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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