Recognised as Colour

#0030AB

#0030AB
Blue
Dark
Nearest: Navy

#0030AB is a blue with RGB values 0, 48, 171 and HSL 223°, 100%, 34%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#0030AB#0030AB

HEX#0030AB

RGBrgb(0, 48, 171)

RGB (0–1)0, 0.1882, 0.6706

RGB percentages0%, 18.8%, 67.1%

HSLhsl(223.2, 100%, 33.5%)

HSV / HSBhsv(223.2, 100%, 67.1%)

CMYK100%, 71.9%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,459

CSS custom property--colour: #0030AB;

Brightness & contrast

Relative luminance0.05054WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.44:1

Contrast with white10.44:1WCAG normal text: AAA

Contrast with black2.01:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#FFCF54

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0047AFno red cones; affects about 1% of men; ΔE 17 from the original

Deuteranopia#0038A9no green cones; the most common form, about 1% of men; ΔE 7.5 from the original

Tritanopia#00546Ano blue cones; rare, and affects men and women equally; ΔE 71.3 from the original

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

Contrast with white, large text10.44:1WCAG large text: AAA

Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Navy · ΔE 17.2 Dark blue · ΔE 17.4 Indigo · ΔE 21.2 Slate blue · ΔE 21.3 Rebecca purple · ΔE 22.4 Midnight blue · ΔE 22.5

Nearest named CSS colourNavy (#000080)ΔE 17.25, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AB7B00

Analogous#0086AB, #2500AB

Triadic#AB0030, #30AB00

Split complementary#AB2500, #86AB00

Tetradic#AB0085, #AB7B00, #00AB25

Tints, shades & saturation

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

Lighter +40%#789EFF

Lighter +30%#4579FF

Lighter +20%#1255FF

Lighter +10%#003EDE

Darker −10%#002278

Darker −20%#001345

Darker −30%#000512

Darker −40%#000000

More saturated +25%#0030AB

Less saturated −25%#153996

Channel breakdown

G48

B171

Red0 (0%)

Green48 (18.8%)

Blue171 (67.1%)

Hue223.16°

Saturation (HSL)100%

Lightness33.53%

Dominant channelBlue

Hex per channelR 00 · G 30 · B AB

Keep nerding

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

#0030AB

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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