Colour

#002540

#002540
Blue
Dark
Nearest: Black

#002540 is a blue with RGB values 0, 37, 64 and HSL 205°, 100%, 13%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#002540#002540

HEX#002540

RGBrgb(0, 37, 64)

RGB (0–1)0, 0.1451, 0.251

RGB percentages0%, 14.5%, 25.1%

HSLhsl(205.3, 100%, 12.5%)

HSV / HSBhsv(205.3, 100%, 25.1%)

CMYK100%, 42.2%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,536

CSS custom property--colour: #002540;

Brightness & contrast

Relative luminance0.01693WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.69:1

Contrast with white15.69:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#FFDABF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#182641no red cones; affects about 1% of men; ΔE 4.9 from the original

Deuteranopia#0E213Fno green cones; the most common form, about 1% of men; ΔE 5.1 from the original

Tritanopia#002C2Fno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.69:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 24.9 Dark slate grey · ΔE 26.8 Dim grey · ΔE 37 Dark slateblue · ΔE 38.2 Slate grey · ΔE 40.4 Steel blue · ΔE 40.5

Nearest named CSS colourBlack (#000000)ΔE 24.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#401B00

Analogous#00403B, #000540

Triadic#400025, #254000

Split complementary#400005, #403B00

Tetradic#3B0040, #401B00, #054000

Tints, shades & saturation

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

Lighter +40%#0D99FF

Lighter +30%#007DD9

Lighter +20%#0060A6

Lighter +10%#004273

Darker −10%#00080D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002540

Less saturated −25%#082438

Channel breakdown

G37

B64

Red0 (0%)

Green37 (14.5%)

Blue64 (25.1%)

Hue205.31°

Saturation (HSL)100%

Lightness12.55%

Dominant channelBlue

Hex per channelR 00 · G 25 · B 40

Keep nerding

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

#002540

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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