Colour

#3100C9

#3100C9
Blue
Dark
Nearest: Medium blue

#3100C9 is a blue with RGB values 49, 0, 201 and HSL 255°, 100%, 39%. 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

#3100C9#3100C9

HEX#3100C9

RGBrgb(49, 0, 201)

RGB (0–1)0.1922, 0, 0.7882

RGB percentages19.2%, 0%, 78.8%

HSLhsl(254.6, 100%, 39.4%)

HSV / HSBhsv(254.6, 100%, 78.8%)

CMYK75.6%, 100%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,211,465

CSS custom property--colour: #3100C9;

Brightness & contrast

Relative luminance0.0487WCAG 2.x, 0 is black and 1 is white

Perceived brightness73 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.64:1

Contrast with white10.64:1WCAG normal text: AAA

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

Greyscale equivalent#191919

Inverted#CEFF36

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0046CEno red cones; affects about 1% of men; ΔE 33.6 from the original

Deuteranopia#0036C6no green cones; the most common form, about 1% of men; ΔE 25.2 from the original

Tritanopia#005275no blue cones; rare, and affects men and women equally; ΔE 96.4 from the original

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

Contrast with white, large text10.64:1WCAG large text: AAA

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

Named colours

Medium blue · ΔE 4.9 Blue violet · ΔE 20.1 Dark violet · ΔE 23.1 Blue · ΔE 25.1 Dark blue · ΔE 27.1 Dark orchid · ΔE 31.7

Nearest named CSS colourMedium blue (#0000CD)ΔE 4.91, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#98C900

Analogous#0034C9, #9600C9

Triadic#C93100, #00C931

Split complementary#C99500, #34C900

Tetradic#C90034, #98C900, #00C996

Tints, shades & saturation

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

Lighter +40%#B096FF

Lighter +30%#8963FF

Lighter +20%#6230FF

Lighter +10%#3D00FC

Darker −10%#250096

Darker −20%#180063

Darker −30%#0C0030

Darker −40%#000000

More saturated +25%#3100C9

Less saturated −25%#3E19B0

Channel breakdown

R49

B201

Red49 (19.2%)

Green0 (0%)

Blue201 (78.8%)

Hue254.63°

Saturation (HSL)100%

Lightness39.41%

Dominant channelBlue

Hex per channelR 31 · G 00 · B C9

Keep nerding

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

#3100C9

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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