Colour

#0018BB

#0018BB
Blue
Dark
Nearest: Medium blue

#0018BB is a blue with RGB values 0, 24, 187 and HSL 232°, 100%, 37%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0018BB#0018BB

HEX#0018BB

RGBrgb(0, 24, 187)

RGB (0–1)0, 0.0941, 0.7333

RGB percentages0%, 9.4%, 73.3%

HSLhsl(232.3, 100%, 36.7%)

HSV / HSBhsv(232.3, 100%, 73.3%)

CMYK100%, 87.2%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,331

CSS custom property--colour: #0018BB;

Brightness & contrast

Relative luminance0.04241WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.36:1

Contrast with white11.36:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#FFE744

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0043BFno red cones; affects about 1% of men; ΔE 27.6 from the original

Deuteranopia#0030B8no green cones; the most common form, about 1% of men; ΔE 16.1 from the original

Tritanopia#00516Eno blue cones; rare, and affects men and women equally; ΔE 88.8 from the original

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

Contrast with white, large text11.36:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.8 Dark blue · ΔE 17.2 Navy · ΔE 22.2 Blue violet · ΔE 23.6 Dark violet · ΔE 27.8 Indigo · ΔE 29.1

Nearest named CSS colourMedium blue (#0000CD)ΔE 14.83, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BBA300

Analogous#0076BB, #4500BB

Triadic#BB0018, #18BB00

Split complementary#BB4500, #76BB00

Tetradic#BB0076, #BBA300, #00BB45

Tints, shades & saturation

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

Lighter +40%#8897FF

Lighter +30%#556BFF

Lighter +20%#223EFF

Lighter +10%#001FEE

Darker −10%#001188

Darker −20%#000B55

Darker −30%#000422

Darker −40%#000000

More saturated +25%#0018BB

Less saturated −25%#1729A4

Channel breakdown

G24

B187

Red0 (0%)

Green24 (9.4%)

Blue187 (73.3%)

Hue232.3°

Saturation (HSL)100%

Lightness36.67%

Dominant channelBlue

Hex per channelR 00 · G 18 · B BB

Keep nerding

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

#0018BB

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

Nerdulate something else