Recognised as Colour

#002788

#002788
Blue
Dark
Nearest: Midnight blue

#002788 is a blue with RGB values 0, 39, 136 and HSL 223°, 100%, 27%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002788#002788

HEX#002788

RGBrgb(0, 39, 136)

RGB (0–1)0, 0.1529, 0.5333

RGB percentages0%, 15.3%, 53.3%

HSLhsl(222.8, 100%, 26.7%)

HSV / HSBhsv(222.8, 100%, 53.3%)

CMYK100%, 71.3%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,120

CSS custom property--colour: #002788;

Brightness & contrast

Relative luminance0.03229WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.76:1

Contrast with white12.76:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#FFD877

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00398Bno red cones; affects about 1% of men; ΔE 14.2 from the original

Deuteranopia#002C86no green cones; the most common form, about 1% of men; ΔE 5.4 from the original

Tritanopia#004254no blue cones; rare, and affects men and women equally; ΔE 58.1 from the original

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

Contrast with white, large text12.76:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.7 Dark slateblue · ΔE 18 Rebecca purple · ΔE 19.8 Navy · ΔE 20.7 Indigo · ΔE 21.7 Dark blue · ΔE 24.4

Nearest named CSS colourMidnight blue (#191970)ΔE 8.73, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#886100

Analogous#006B88, #1D0088

Triadic#880027, #278800

Split complementary#881D00, #6B8800

Tetradic#88006B, #886100, #00881D

Tints, shades & saturation

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

Lighter +40%#5586FF

Lighter +30%#2261FF

Lighter +20%#0044EE

Lighter +10%#0036BB

Darker −10%#001855

Darker −20%#000A22

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002788

Less saturated −25%#112E77

Channel breakdown

G39

B136

Red0 (0%)

Green39 (15.3%)

Blue136 (53.3%)

Hue222.79°

Saturation (HSL)100%

Lightness26.67%

Dominant channelBlue

Hex per channelR 00 · G 27 · B 88

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#002788

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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