Colour

#0442AB

#0442AB
Blue
Dark
Nearest: Royal blue

#0442AB is a blue with RGB values 4, 66, 171 and HSL 218°, 95%, 34%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0442AB#0442AB

HEX#0442AB

RGBrgb(4, 66, 171)

RGB (0–1)0.0157, 0.2588, 0.6706

RGB percentages1.6%, 25.9%, 67.1%

HSLhsl(217.7, 95.4%, 34.3%)

HSV / HSBhsv(217.7, 97.7%, 67.1%)

CMYK97.7%, 61.4%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer279,211

CSS custom property--colour: #0442AB;

Brightness & contrast

Relative luminance0.06863WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.85:1

Contrast with white8.85:1WCAG normal text: AAA

Contrast with black2.37:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#FBBD54

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052AEno red cones; affects about 1% of men; ΔE 12.3 from the original

Deuteranopia#0043A9no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#005E70no blue cones; rare, and affects men and women equally; ΔE 61.3 from the original

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

Contrast with white, large text8.85:1WCAG large text: AAA

Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Royal blue · ΔE 17 Slate blue · ΔE 17.3 Dark slateblue · ΔE 18.5 Midnight blue · ΔE 19.9 Rebecca purple · ΔE 21.6 Medium slateblue · ΔE 26

Nearest named CSS colourRoyal blue (#4169E1)ΔE 17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AB6D04

Analogous#0496AB, #1904AB

Triadic#AB0442, #42AB04

Split complementary#AB1904, #96AB04

Tetradic#AB0496, #AB6D04, #04AB19

Tints, shades & saturation

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

Lighter +40%#7FADFC

Lighter +30%#4D8EFB

Lighter +20%#1B6EFA

Lighter +10%#0555DD

Darker −10%#032F79

Darker −20%#021C47

Darker −30%#010815

Darker −40%#000000

More saturated +25%#0041AF

Less saturated −25%#1A4895

Channel breakdown

G66

B171

Red4 (1.6%)

Green66 (25.9%)

Blue171 (67.1%)

Hue217.72°

Saturation (HSL)95.43%

Lightness34.31%

Dominant channelBlue

Hex per channelR 04 · G 42 · B AB

Keep nerding

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

#0442AB

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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