Recognised as Colour

#3103CB

#3103CB
Blue
Dark
Nearest: Medium blue

#3103CB is a blue with RGB values 49, 3, 203 and HSL 254°, 97%, 40%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3103CB#3103CB

HEX#3103CB

RGBrgb(49, 3, 203)

RGB (0–1)0.1922, 0.0118, 0.7961

RGB percentages19.2%, 1.2%, 79.6%

HSLhsl(253.8, 97.1%, 40.4%)

HSV / HSBhsv(253.8, 98.5%, 79.6%)

CMYK75.9%, 98.5%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,212,235

CSS custom property--colour: #3103CB;

Brightness & contrast

Relative luminance0.0503WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.47:1

Contrast with white10.47:1WCAG normal text: AAA

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

Greyscale equivalent#1B1B1B

Inverted#CEFC34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0047D0no red cones; affects about 1% of men; ΔE 33.4 from the original

Deuteranopia#0036C8no green cones; the most common form, about 1% of men; ΔE 24.2 from the original

Tritanopia#005376no blue cones; rare, and affects men and women equally; ΔE 96.7 from the original

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

Contrast with white, large text10.47:1WCAG large text: AAA

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

Named colours

Medium blue · ΔE 4.7 Blue violet · ΔE 20 Dark violet · ΔE 23.2 Blue · ΔE 24.7 Dark blue · ΔE 27.5 Dark orchid · ΔE 31.8

Nearest named CSS colourMedium blue (#0000CD)ΔE 4.69, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9DCB03

Analogous#0339CB, #9503CB

Triadic#CB3103, #03CB31

Split complementary#CB9503, #39CB03

Tetradic#CB0339, #9DCB03, #03CB95

Tints, shades & saturation

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

Lighter +40%#B39CFE

Lighter +30%#8C6AFD

Lighter +20%#6538FC

Lighter +10%#3E06FB

Darker −10%#250299

Darker −20%#190266

Darker −30%#0D0134

Darker −40%#000002

More saturated +25%#2F00CE

Less saturated −25%#3F1DB1

Channel breakdown

R49

B203

Red49 (19.2%)

Green3 (1.2%)

Blue203 (79.6%)

Hue253.8°

Saturation (HSL)97.09%

Lightness40.39%

Dominant channelBlue

Hex per channelR 31 · G 03 · B CB

Keep nerding

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

#3103CB

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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