Colour

#243F6C

#243F6C
Blue
Dark
Nearest: Dark slateblue

#243F6C is a blue with RGB values 36, 63, 108 and HSL 218°, 50%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#243F6C#243F6C

HEX#243F6C

RGBrgb(36, 63, 108)

RGB (0–1)0.1412, 0.2471, 0.4235

RGB percentages14.1%, 24.7%, 42.4%

HSLhsl(217.5, 50%, 28.2%)

HSV / HSBhsv(217.5, 66.7%, 42.4%)

CMYK66.7%, 41.7%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,375,532

CSS custom property--colour: #243F6C;

Brightness & contrast

Relative luminance0.05013WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.49:1

Contrast with white10.49:1WCAG normal text: AAA

Contrast with black2:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#DBC093

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B436Eno red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#213C6Bno green cones; the most common form, about 1% of men; ΔE 2 from the original

Tritanopia#004950no blue cones; rare, and affects men and women equally; ΔE 29.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.49:1WCAG large text: AAA

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

Named colours

Dark slateblue · ΔE 24.5 Steel blue · ΔE 27.6 Dark slate grey · ΔE 31.2 Slate grey · ΔE 33 Dim grey · ΔE 34.6 Midnight blue · ΔE 34.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6C5124

Analogous#24636C, #2D246C

Triadic#6C243F, #3F6C24

Split complementary#6C2D24, #636C24

Tetradic#6C2463, #6C5124, #246C2D

Tints, shades & saturation

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

Lighter +40%#86A4D7

Lighter +30%#5F87CA

Lighter +20%#3E6CB9

Lighter +10%#315592

Darker −10%#172946

Darker −20%#0A121F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#123B7E

Less saturated −25%#36445A

Channel breakdown

R36

G63

B108

Red36 (14.1%)

Green63 (24.7%)

Blue108 (42.4%)

Hue217.5°

Saturation (HSL)50%

Lightness28.24%

Dominant channelBlue

Hex per channelR 24 · G 3F · B 6C

Keep nerding

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

#243F6C

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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