Recognised as Colour

#310DFF

#310DFF
Blue
Dark
Nearest: Blue

#310DFF is a blue with RGB values 49, 13, 255 and HSL 249°, 100%, 53%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#310DFF#310DFF

HEX#310DFF

RGBrgb(49, 13, 255)

RGB (0–1)0.1922, 0.051, 1

RGB percentages19.2%, 5.1%, 100%

HSLhsl(248.9, 100%, 52.5%)

HSV / HSBhsv(248.9, 94.9%, 100%)

CMYK80.8%, 94.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,214,847

CSS custom property--colour: #310DFF;

Brightness & contrast

Relative luminance0.08161WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.98:1

Contrast with white7.98:1WCAG normal text: AAA

Contrast with black2.63:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#CEF200

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005CFFno red cones; affects about 1% of men; ΔE 42.2 from the original

Deuteranopia#0045FBno green cones; the most common form, about 1% of men; ΔE 27.1 from the original

Tritanopia#006C96no blue cones; rare, and affects men and women equally; ΔE 115.5 from the original

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

Contrast with white, large text7.98:1WCAG large text: AAA

Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Blue · ΔE 4.2 Medium blue · ΔE 19.2 Blue violet · ΔE 31.7 Dark violet · ΔE 34.5 Dark orchid · ΔE 47 Dark blue · ΔE 49.1

Nearest named CSS colourBlue (#0000FF)ΔE 4.19, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DBFF0D

Analogous#0D62FF, #AA0DFF

Triadic#FF310D, #0DFF31

Split complementary#FFAA0D, #62FF0D

Tetradic#FF0D62, #DBFF0D, #0DFFAA

Tints, shades & saturation

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

Lighter +40%#DFD9FF

Lighter +30%#B3A6FF

Lighter +20%#8873FF

Lighter +10%#5C40FF

Darker −10%#2000D9

Darker −20%#1900A6

Darker −30%#110073

Darker −40%#0A0040

More saturated +25%#310DFF

Less saturated −25%#462BE1

Channel breakdown

R49

G13

B255

Red49 (19.2%)

Green13 (5.1%)

Blue255 (100%)

Hue248.93°

Saturation (HSL)100%

Lightness52.55%

Dominant channelBlue

Hex per channelR 31 · G 0D · B FF

Keep nerding

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

#310DFF

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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