Recognised as Colour

#3F2FB2

#3F2FB2
Blue
Dark
Nearest: Dark blue

#3F2FB2 is a blue with RGB values 63, 47, 178 and HSL 247°, 58%, 44%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3F2FB2#3F2FB2

HEX#3F2FB2

RGBrgb(63, 47, 178)

RGB (0–1)0.2471, 0.1843, 0.698

RGB percentages24.7%, 18.4%, 69.8%

HSLhsl(247.3, 58.2%, 44.1%)

HSV / HSBhsv(247.3, 73.6%, 69.8%)

CMYK64.6%, 73.6%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,140,978

CSS custom property--colour: #3F2FB2;

Brightness & contrast

Relative luminance0.06304WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.29:1

Contrast with white9.29:1WCAG normal text: AAA

Contrast with black2.26:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#C0D04D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004CB6no red cones; affects about 1% of men; ΔE 23 from the original

Deuteranopia#0042B0no green cones; the most common form, about 1% of men; ΔE 18 from the original

Tritanopia#00546Eno blue cones; rare, and affects men and women equally; ΔE 73.2 from the original

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

Contrast with white, large text9.29:1WCAG large text: AAA

Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.3 Navy · ΔE 17.5 Indigo · ΔE 17.8 Slate blue · ΔE 20 Rebecca purple · ΔE 20 Medium slateblue · ΔE 22.5

Nearest named CSS colourDark blue (#00008B)ΔE 16.31, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A2B22F

Analogous#2F60B2, #812FB2

Triadic#B23F2F, #2FB23F

Split complementary#B2812F, #60B22F

Tetradic#B22F60, #A2B22F, #2FB281

Tints, shades & saturation

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

Lighter +40%#C5BFEE

Lighter +30%#A097E3

Lighter +20%#7B6ED9

Lighter +10%#5746CE

Darker −10%#31248A

Darker −20%#221A61

Darker −30%#140F39

Darker −40%#060411

More saturated +25%#2A13CE

Less saturated −25%#544B96

Channel breakdown

R63

G47

B178

Red63 (24.7%)

Green47 (18.4%)

Blue178 (69.8%)

Hue247.33°

Saturation (HSL)58.22%

Lightness44.12%

Dominant channelBlue

Hex per channelR 3F · G 2F · B B2

Keep nerding

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

#3F2FB2

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

Nerdulate something else