Recognised as Colour

#3F23BD

#3F23BD
Blue
Dark
Nearest: Dark blue

#3F23BD is a blue with RGB values 63, 35, 189 and HSL 251°, 69%, 44%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3F23BD#3F23BD

HEX#3F23BD

RGBrgb(63, 35, 189)

RGB (0–1)0.2471, 0.1373, 0.7412

RGB percentages24.7%, 13.7%, 74.1%

HSLhsl(250.9, 68.8%, 43.9%)

HSV / HSBhsv(250.9, 81.5%, 74.1%)

CMYK66.7%, 81.5%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,137,917

CSS custom property--colour: #3F23BD;

Brightness & contrast

Relative luminance0.05933WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.6:1

Contrast with white9.6:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#C0DC42

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004AC1no red cones; affects about 1% of men; ΔE 27.2 from the original

Deuteranopia#003FBAno green cones; the most common form, about 1% of men; ΔE 21.9 from the original

Tritanopia#005371no blue cones; rare, and affects men and women equally; ΔE 82.7 from the original

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

Contrast with white, large text9.6:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.3 Blue violet · ΔE 20 Navy · ΔE 20.5 Medium blue · ΔE 21.2 Dark orchid · ΔE 23 Indigo · ΔE 23.5

Nearest named CSS colourDark blue (#00008B)ΔE 16.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A1BD23

Analogous#2354BD, #8C23BD

Triadic#BD3F23, #23BD3F

Split complementary#BD8C23, #54BD23

Tetradic#BD2354, #A1BD23, #23BD8C

Tints, shades & saturation

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

Lighter +40%#C4BAF2

Lighter +30%#9F8FEA

Lighter +20%#7B64E2

Lighter +10%#5639DA

Darker −10%#311B92

Darker −20%#221367

Darker −30%#140B3C

Darker −40%#060311

More saturated +25%#2D07D9

Less saturated −25%#513FA1

Channel breakdown

R63

G35

B189

Red63 (24.7%)

Green35 (13.7%)

Blue189 (74.1%)

Hue250.91°

Saturation (HSL)68.75%

Lightness43.92%

Dominant channelBlue

Hex per channelR 3F · G 23 · B BD

Keep nerding

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

#3F23BD

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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