Recognised as Colour

#40495D

#40495D
Blue
Dark
Nearest: Dark slate grey

#40495D is a blue with RGB values 64, 73, 93 and HSL 221°, 18%, 31%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#40495D#40495D

HEX#40495D

RGBrgb(64, 73, 93)

RGB (0–1)0.251, 0.2863, 0.3647

RGB percentages25.1%, 28.6%, 36.5%

HSLhsl(221.4, 18.5%, 30.8%)

HSV / HSBhsv(221.4, 31.2%, 36.5%)

CMYK31.2%, 21.5%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,213,085

CSS custom property--colour: #40495D;

Brightness & contrast

Relative luminance0.06645WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.02:1

Contrast with white9.02:1WCAG normal text: AAA

Contrast with black2.33:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#BFB6A2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#434A5Eno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#40485Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#384D50no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.02:1WCAG large text: AAA

Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.3 Dim grey · ΔE 18.7 Slate grey · ΔE 22.3 Light slate grey · ΔE 25.3 Gray · ΔE 26.1 Steel blue · ΔE 29.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.26, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5D5440

Analogous#40585D, #45405D

Triadic#5D4049, #495D40

Split complementary#5D4540, #585D40

Tetradic#5D4058, #5D5440, #405D45

Tints, shades & saturation

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

Lighter +40%#A7AFC2

Lighter +30%#8994AD

Lighter +20%#6A7999

Lighter +10%#55617B

Darker −10%#2B313F

Darker −20%#161A21

Darker −30%#020202

Darker −40%#000000

More saturated +25%#2C4271

Less saturated −25%#4F4F4F

Channel breakdown

R64

G73

B93

Red64 (25.1%)

Green73 (28.6%)

Blue93 (36.5%)

Hue221.38°

Saturation (HSL)18.47%

Lightness30.78%

Dominant channelBlue

Hex per channelR 40 · G 49 · B 5D

Keep nerding

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

#40495D

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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