Colour

#0F28AA

#0F28AA
Blue
Dark
Nearest: Dark blue

#0F28AA is a blue with RGB values 15, 40, 170 and HSL 230°, 84%, 36%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0F28AA#0F28AA

HEX#0F28AA

RGBrgb(15, 40, 170)

RGB (0–1)0.0588, 0.1569, 0.6667

RGB percentages5.9%, 15.7%, 66.7%

HSLhsl(230.3, 83.8%, 36.3%)

HSV / HSBhsv(230.3, 91.2%, 66.7%)

CMYK91.2%, 76.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer993,450

CSS custom property--colour: #0F28AA;

Brightness & contrast

Relative luminance0.04521WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.03:1

Contrast with white11.03:1WCAG normal text: AAA

Contrast with black1.9:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#F0D755

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0044AEno red cones; affects about 1% of men; ΔE 20.5 from the original

Deuteranopia#0034A8no green cones; the most common form, about 1% of men; ΔE 10.2 from the original

Tritanopia#004F67no blue cones; rare, and affects men and women equally; ΔE 74.3 from the original

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

Contrast with white, large text11.03:1WCAG large text: AAA

Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.1 Navy · ΔE 14.3 Indigo · ΔE 19.6 Rebecca purple · ΔE 24.2 Slate blue · ΔE 24.5 Midnight blue · ΔE 25.2

Nearest named CSS colourDark blue (#00008B)ΔE 13.05, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AA910F

Analogous#0F75AA, #440FAA

Triadic#AA0F28, #28AA0F

Split complementary#AA440F, #75AA0F

Tetradic#AA0F75, #AA910F, #0FAA44

Tints, shades & saturation

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

Lighter +40%#90A0F5

Lighter +30%#6178F1

Lighter +20%#3250ED

Lighter +10%#1333D9

Darker −10%#0B1D7B

Darker −20%#07124C

Darker −30%#03071D

Darker −40%#000000

More saturated +25%#001EB9

Less saturated −25%#263893

Channel breakdown

R15

G40

B170

Red15 (5.9%)

Green40 (15.7%)

Blue170 (66.7%)

Hue230.32°

Saturation (HSL)83.78%

Lightness36.27%

Dominant channelBlue

Hex per channelR 0F · G 28 · B AA

Keep nerding

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#0F28AA

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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