Colour

#003CAC

#003CAC
Blue
Dark
Nearest: Slate blue

#003CAC is a blue with RGB values 0, 60, 172 and HSL 219°, 100%, 34%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#003CAC#003CAC

HEX#003CAC

RGBrgb(0, 60, 172)

RGB (0–1)0, 0.2353, 0.6745

RGB percentages0%, 23.5%, 67.5%

HSLhsl(219.1, 100%, 33.7%)

HSV / HSBhsv(219.1, 100%, 67.5%)

CMYK100%, 65.1%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,532

CSS custom property--colour: #003CAC;

Brightness & contrast

Relative luminance0.0621WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.37:1

Contrast with white9.37:1WCAG normal text: AAA

Contrast with black2.24:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#FFC353

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004EB0no red cones; affects about 1% of men; ΔE 13.3 from the original

Deuteranopia#003FAAno green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#005A6Eno blue cones; rare, and affects men and women equally; ΔE 64.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.37:1WCAG large text: AAA

Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.5 Royal blue · ΔE 18.4 Midnight blue · ΔE 20 Rebecca purple · ΔE 21 Dark slateblue · ΔE 22.1 Navy · ΔE 24.1

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.45, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AC7000

Analogous#0092AC, #1A00AC

Triadic#AC003C, #3CAC00

Split complementary#AC1A00, #92AC00

Tetradic#AC0092, #AC7000, #00AC1A

Tints, shades & saturation

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

Lighter +40%#79A8FF

Lighter +30%#4687FF

Lighter +20%#1365FF

Lighter +10%#004EDF

Darker −10%#002A79

Darker −20%#001846

Darker −30%#000713

Darker −40%#000000

More saturated +25%#003CAC

Less saturated −25%#164397

Channel breakdown

G60

B172

Red0 (0%)

Green60 (23.5%)

Blue172 (67.5%)

Hue219.07°

Saturation (HSL)100%

Lightness33.73%

Dominant channelBlue

Hex per channelR 00 · G 3C · B AC

Keep nerding

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#003CAC

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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