Colour

#002175

#002175
Blue
Dark
Nearest: Midnight blue

#002175 is a blue with RGB values 0, 33, 117 and HSL 223°, 100%, 23%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002175#002175

HEX#002175

RGBrgb(0, 33, 117)

RGB (0–1)0, 0.1294, 0.4588

RGB percentages0%, 12.9%, 45.9%

HSLhsl(223.1, 100%, 22.9%)

HSV / HSBhsv(223.1, 100%, 45.9%)

CMYK100%, 71.8%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,565

CSS custom property--colour: #002175;

Brightness & contrast

Relative luminance0.02372WCAG 2.x, 0 is black and 1 is white

Perceived brightness46.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.24:1

Contrast with white14.24:1WCAG normal text: AAA

Contrast with black1.47:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#FFDE8A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003078no red cones; affects about 1% of men; ΔE 11.9 from the original

Deuteranopia#002573no green cones; the most common form, about 1% of men; ΔE 4.7 from the original

Tritanopia#003948no blue cones; rare, and affects men and women equally; ΔE 52.2 from the original

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

Contrast with white, large text14.24:1WCAG large text: AAA

Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.4 Dark slateblue · ΔE 15.9 Rebecca purple · ΔE 22.8 Indigo · ΔE 25.4 Navy · ΔE 25.7 Dark blue · ΔE 30.1

Nearest named CSS colourMidnight blue (#191970)ΔE 5.37, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#755400

Analogous#005B75, #1A0075

Triadic#750021, #217500

Split complementary#751A00, #5B7500

Tetradic#75005B, #755400, #00751A

Tints, shades & saturation

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

Lighter +40%#4277FF

Lighter +30%#0F53FF

Lighter +20%#003EDB

Lighter +10%#002FA8

Darker −10%#001342

Darker −20%#00040F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002175

Less saturated −25%#0F2766

Channel breakdown

G33

B117

Red0 (0%)

Green33 (12.9%)

Blue117 (45.9%)

Hue223.08°

Saturation (HSL)100%

Lightness22.94%

Dominant channelBlue

Hex per channelR 00 · G 21 · B 75

Keep nerding

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#002175

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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