Colour

#2B40C3

#2B40C3
Blue
Dark
Nearest: Slate blue

#2B40C3 is a blue with RGB values 43, 64, 195 and HSL 232°, 64%, 47%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2B40C3#2B40C3

HEX#2B40C3

RGBrgb(43, 64, 195)

RGB (0–1)0.1686, 0.251, 0.7647

RGB percentages16.9%, 25.1%, 76.5%

HSLhsl(231.7, 63.9%, 46.7%)

HSV / HSBhsv(231.7, 77.9%, 76.5%)

CMYK77.9%, 67.2%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,834,627

CSS custom property--colour: #2B40C3;

Brightness & contrast

Relative luminance0.08121WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8:1

Contrast with white8:1WCAG normal text: AAA

Contrast with black2.62:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#D4BF3C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058C7no red cones; affects about 1% of men; ΔE 18.6 from the original

Deuteranopia#0049C1no green cones; the most common form, about 1% of men; ΔE 9.4 from the original

Tritanopia#00647Cno blue cones; rare, and affects men and women equally; ΔE 74 from the original

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

Contrast with white, large text8:1WCAG large text: AAA

Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17 Medium slateblue · ΔE 18.7 Royal blue · ΔE 19.3 Dark blue · ΔE 22.7 Rebecca purple · ΔE 23.5 Navy · ΔE 23.6

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.95, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C3AE2B

Analogous#2B8CC3, #622BC3

Triadic#C32B40, #40C32B

Split complementary#C3622B, #8CC32B

Tetradic#C32B8C, #C3AE2B, #2BC362

Tints, shades & saturation

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

Lighter +40%#C7CDF3

Lighter +30%#9DA8E9

Lighter +20%#7483E0

Lighter +10%#4A5DD7

Darker −10%#223299

Darker −20%#19256F

Darker −30%#0F1746

Darker −40%#06091C

More saturated +25%#0D2AE1

Less saturated −25%#4956A5

Channel breakdown

R43

G64

B195

Red43 (16.9%)

Green64 (25.1%)

Blue195 (76.5%)

Hue231.71°

Saturation (HSL)63.87%

Lightness46.67%

Dominant channelBlue

Hex per channelR 2B · G 40 · B C3

Keep nerding

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

#2B40C3

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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