Colour

#002B68

#002B68
Blue
Dark
Nearest: Dark slateblue

#002B68 is a blue with RGB values 0, 43, 104 and HSL 215°, 100%, 20%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#002B68#002B68

HEX#002B68

RGBrgb(0, 43, 104)

RGB (0–1)0, 0.1686, 0.4078

RGB percentages0%, 16.9%, 40.8%

HSLhsl(215.2, 100%, 20.4%)

HSV / HSBhsv(215.2, 100%, 40.8%)

CMYK100%, 58.7%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,112

CSS custom property--colour: #002B68;

Brightness & contrast

Relative luminance0.02727WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.59:1

Contrast with white13.59:1WCAG normal text: AAA

Contrast with black1.55:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#FFD497

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00336Ano red cones; affects about 1% of men; ΔE 6.5 from the original

Deuteranopia#002A67no green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#003A45no blue cones; rare, and affects men and women equally; ΔE 38.2 from the original

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

Contrast with white, large text13.59:1WCAG large text: AAA

Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.4 Midnight blue · ΔE 21 Rebecca purple · ΔE 33.3 Steel blue · ΔE 38.6 Slate blue · ΔE 39.2 Indigo · ΔE 40.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.42, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#683D00

Analogous#005F68, #090068

Triadic#68002B, #2B6800

Split complementary#680900, #5F6800

Tetradic#68005F, #683D00, #006809

Tints, shades & saturation

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

Lighter +40%#3589FF

Lighter +30%#026BFF

Lighter +20%#0055CE

Lighter +10%#00409B

Darker −10%#001635

Darker −20%#000102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002B68

Less saturated −25%#0D2D5B

Channel breakdown

G43

B104

Red0 (0%)

Green43 (16.9%)

Blue104 (40.8%)

Hue215.19°

Saturation (HSL)100%

Lightness20.39%

Dominant channelBlue

Hex per channelR 00 · G 2B · B 68

Keep nerding

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#002B68

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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