Colour

#004488

#004488
Blue
Dark
Nearest: Dark slateblue

#004488 is a blue with RGB values 0, 68, 136 and HSL 210°, 100%, 27%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004488#004488

HEX#004488

HEX (short)#048

RGBrgb(0, 68, 136)

RGB (0–1)0, 0.2667, 0.5333

RGB percentages0%, 26.7%, 53.3%

HSLhsl(210, 100%, 26.7%)

HSV / HSBhsv(210, 100%, 53.3%)

CMYK100%, 50%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,544

CSS custom property--colour: #004488;

Brightness & contrast

Relative luminance0.05912WCAG 2.x, 0 is black and 1 is white

Perceived brightness69.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.62:1

Contrast with white9.62:1WCAG normal text: AAA

Contrast with black2.18:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#FFBB77

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A4B8Bno red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#004087no green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#00555Fno blue cones; rare, and affects men and women equally; ΔE 41.7 from the original

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

Contrast with white, large text9.62:1WCAG large text: AAA

Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.4 Midnight blue · ΔE 26.5 Steel blue · ΔE 29.2 Cornflower blue · ΔE 33.3 Royal blue · ΔE 33.3 Rebecca purple · ΔE 33.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.36, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#884400

Analogous#008888, #000088

Triadic#880044, #448800

Split complementary#880000, #888800

Tetradic#880088, #884400, #008800

Tints, shades & saturation

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

Lighter +40%#55AAFF

Lighter +30%#2291FF

Lighter +20%#0077EE

Lighter +10%#005EBB

Darker −10%#002B55

Darker −20%#001122

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004488

Less saturated −25%#114477

Channel breakdown

G68

B136

Red0 (0%)

Green68 (26.7%)

Blue136 (53.3%)

Hue210°

Saturation (HSL)100%

Lightness26.67%

Dominant channelBlue

Hex per channelR 00 · G 44 · B 88

Keep nerding

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

#004488

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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