Colour

#3F33DF

#3F33DF
Blue
Dark
Nearest: Medium blue

#3F33DF is a blue with RGB values 63, 51, 223 and HSL 244°, 73%, 54%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F33DF#3F33DF

HEX#3F33DF

RGBrgb(63, 51, 223)

RGB (0–1)0.2471, 0.2, 0.8745

RGB percentages24.7%, 20%, 87.5%

HSLhsl(244.2, 72.9%, 53.7%)

HSV / HSBhsv(244.2, 77.1%, 87.5%)

CMYK71.7%, 77.1%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,142,047

CSS custom property--colour: #3F33DF;

Brightness & contrast

Relative luminance0.08752WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.64:1

Contrast with white7.64:1WCAG normal text: AAA

Contrast with black2.75:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#C0CC20

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BE4no red cones; affects about 1% of men; ΔE 27.9 from the original

Deuteranopia#004BDCno green cones; the most common form, about 1% of men; ΔE 19.2 from the original

Tritanopia#006788no blue cones; rare, and affects men and women equally; ΔE 91.6 from the original

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

Contrast with white, large text7.64:1WCAG large text: AAA

Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.2 Blue violet · ΔE 17.2 Dark violet · ΔE 24 Dark orchid · ΔE 26.7 Dark blue · ΔE 26.9 Medium slateblue · ΔE 29.9

Nearest named CSS colourMedium blue (#0000CD)ΔE 16.17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D3DF33

Analogous#337DDF, #9533DF

Triadic#DF3F33, #33DF3F

Split complementary#DF9533, #7DDF33

Tetradic#DF337D, #D3DF33, #33DF95

Tints, shades & saturation

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

Lighter +40%#E5E3FB

Lighter +30%#BBB7F4

Lighter +20%#928BED

Lighter +10%#685FE6

Darker −10%#2A1EC1

Darker −20%#201795

Darker −30%#171069

Darker −40%#0D093D

More saturated +25%#2615FD

Less saturated −25%#5851C2

Channel breakdown

R63

G51

B223

Red63 (24.7%)

Green51 (20%)

Blue223 (87.5%)

Hue244.19°

Saturation (HSL)72.88%

Lightness53.73%

Dominant channelBlue

Hex per channelR 3F · G 33 · B DF

Keep nerding

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

#3F33DF

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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