Recognised as Colour

#181BC2

#181BC2
Blue
Dark
Nearest: Medium blue

#181BC2 is a blue with RGB values 24, 27, 194 and HSL 239°, 78%, 43%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#181BC2#181BC2

HEX#181BC2

RGBrgb(24, 27, 194)

RGB (0–1)0.0941, 0.1059, 0.7608

RGB percentages9.4%, 10.6%, 76.1%

HSLhsl(238.9, 78%, 42.7%)

HSV / HSBhsv(238.9, 87.6%, 76.1%)

CMYK87.6%, 86.1%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,579,970

CSS custom property--colour: #181BC2;

Brightness & contrast

Relative luminance0.04873WCAG 2.x, 0 is black and 1 is white

Perceived brightness69.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.63:1

Contrast with white10.63:1WCAG normal text: AAA

Contrast with black1.97:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#E7E43D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0047C6no red cones; affects about 1% of men; ΔE 28.3 from the original

Deuteranopia#0035BFno green cones; the most common form, about 1% of men; ΔE 17.6 from the original

Tritanopia#005473no blue cones; rare, and affects men and women equally; ΔE 89.4 from the original

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

Contrast with white, large text10.63:1WCAG large text: AAA

Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.3 Dark blue · ΔE 19.5 Blue violet · ΔE 21.7 Navy · ΔE 24.5 Dark violet · ΔE 26.2 Dark orchid · ΔE 29.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 13.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C2BF18

Analogous#1870C2, #6A18C2

Triadic#C2181B, #1BC218

Split complementary#C26A18, #70C218

Tetradic#C21870, #C2BF18, #18C26A

Tints, shades & saturation

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

Lighter +40%#B1B2F5

Lighter +30%#8385F0

Lighter +20%#5659EA

Lighter +10%#292CE4

Darker −10%#121595

Darker −20%#0D0E67

Darker −30%#07083A

Darker −40%#02020C

More saturated +25%#0004DA

Less saturated −25%#3335A7

Channel breakdown

R24

G27

B194

Red24 (9.4%)

Green27 (10.6%)

Blue194 (76.1%)

Hue238.94°

Saturation (HSL)77.98%

Lightness42.75%

Dominant channelBlue

Hex per channelR 18 · G 1B · B C2

Keep nerding

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

#181BC2

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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