Colour

#03144B

#03144B
Blue
Dark
Nearest: Midnight blue

#03144B is a blue with RGB values 3, 20, 75 and HSL 226°, 92%, 15%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#03144B#03144B

HEX#03144B

RGBrgb(3, 20, 75)

RGB (0–1)0.0118, 0.0784, 0.2941

RGB percentages1.2%, 7.8%, 29.4%

HSLhsl(225.8, 92.3%, 15.3%)

HSV / HSBhsv(225.8, 96%, 29.4%)

CMYK96%, 73.3%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer201,803

CSS custom property--colour: #03144B;

Brightness & contrast

Relative luminance0.01028WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.42:1

Contrast with white17.42:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#FCEBB4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001D4Dno red cones; affects about 1% of men; ΔE 7.8 from the original

Deuteranopia#00174Ano green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#00232Dno blue cones; rare, and affects men and women equally; ΔE 36.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.42:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.4 Dark slateblue · ΔE 23.8 Rebecca purple · ΔE 36 Indigo · ΔE 39.4 Black · ΔE 41.2 Navy · ΔE 41.3

Nearest named CSS colourMidnight blue (#191970)ΔE 20.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B3A03

Analogous#03384B, #16034B

Triadic#4B0314, #144B03

Split complementary#4B1603, #384B03

Tetradic#4B0338, #4B3A03, #034B16

Tints, shades & saturation

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

Lighter +40%#2455F6

Lighter +30%#093BDE

Lighter +20%#072EAD

Lighter +10%#05217C

Darker −10%#01071A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00124E

Less saturated −25%#0D1941

Channel breakdown

G20

B75

Red3 (1.2%)

Green20 (7.8%)

Blue75 (29.4%)

Hue225.83°

Saturation (HSL)92.31%

Lightness15.29%

Dominant channelBlue

Hex per channelR 03 · G 14 · B 4B

Keep nerding

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#03144B

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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