Colour

#003197

#003197
Blue
Dark
Nearest: Midnight blue

#003197 is a blue with RGB values 0, 49, 151 and HSL 221°, 100%, 30%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#003197#003197

HEX#003197

RGBrgb(0, 49, 151)

RGB (0–1)0, 0.1922, 0.5922

RGB percentages0%, 19.2%, 59.2%

HSLhsl(220.5, 100%, 29.6%)

HSV / HSBhsv(220.5, 100%, 59.2%)

CMYK100%, 67.5%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,695

CSS custom property--colour: #003197;

Brightness & contrast

Relative luminance0.04431WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.13:1

Contrast with white11.13:1WCAG normal text: AAA

Contrast with black1.89:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#FFCE68

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00429Ano red cones; affects about 1% of men; ΔE 13.2 from the original

Deuteranopia#003595no green cones; the most common form, about 1% of men; ΔE 4.5 from the original

Tritanopia#004D5Fno blue cones; rare, and affects men and women equally; ΔE 60.7 from the original

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

Contrast with white, large text11.13:1WCAG large text: AAA

Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.4 Dark slateblue · ΔE 18.2 Rebecca purple · ΔE 19.6 Slate blue · ΔE 21.4 Navy · ΔE 22.4 Indigo · ΔE 23.4

Nearest named CSS colourMidnight blue (#191970)ΔE 13.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#976600

Analogous#007D97, #1A0097

Triadic#970031, #319700

Split complementary#971A00, #7D9700

Tetradic#97007D, #976600, #00971A

Tints, shades & saturation

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

Lighter +40%#6496FF

Lighter +30%#3174FF

Lighter +20%#0052FD

Lighter +10%#0042CA

Darker −10%#002064

Darker −20%#001031

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003197

Less saturated −25%#133884

Channel breakdown

G49

B151

Red0 (0%)

Green49 (19.2%)

Blue151 (59.2%)

Hue220.53°

Saturation (HSL)100%

Lightness29.61%

Dominant channelBlue

Hex per channelR 00 · G 31 · B 97

Keep nerding

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#003197

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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