Colour

#3340AC

#3340AC
Blue
Dark
Nearest: Slate blue

#3340AC is a blue with RGB values 51, 64, 172 and HSL 234°, 54%, 44%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3340AC#3340AC

HEX#3340AC

RGBrgb(51, 64, 172)

RGB (0–1)0.2, 0.251, 0.6745

RGB percentages20%, 25.1%, 67.5%

HSLhsl(233.6, 54.3%, 43.7%)

HSV / HSBhsv(233.6, 70.3%, 67.5%)

CMYK70.3%, 62.8%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,358,892

CSS custom property--colour: #3340AC;

Brightness & contrast

Relative luminance0.07349WCAG 2.x, 0 is black and 1 is white

Perceived brightness81 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.5:1

Contrast with white8.5:1WCAG normal text: AAA

Contrast with black2.47:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#CCBF53

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052AFno red cones; affects about 1% of men; ΔE 15.9 from the original

Deuteranopia#0047AAno green cones; the most common form, about 1% of men; ΔE 9.6 from the original

Tritanopia#005C70no blue cones; rare, and affects men and women equally; ΔE 62.8 from the original

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

Contrast with white, large text8.5:1WCAG large text: AAA

Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Slate blue · ΔE 13.6 Rebecca purple · ΔE 16.6 Royal blue · ΔE 17.2 Dark slateblue · ΔE 18.2 Midnight blue · ΔE 19.4 Medium slateblue · ΔE 22.6

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.6, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AC9F33

Analogous#337CAC, #6233AC

Triadic#AC3340, #40AC33

Split complementary#AC6333, #7CAC33

Tetradic#AC337D, #AC9F33, #33AC63

Tints, shades & saturation

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

Lighter +40%#BFC4EC

Lighter +30%#989FE0

Lighter +20%#707BD5

Lighter +10%#4957C9

Darker −10%#273185

Darker −20%#1C235D

Darker −30%#101436

Darker −40%#04050F

More saturated +25%#172AC8

Less saturated −25%#4F5690

Channel breakdown

R51

G64

B172

Red51 (20%)

Green64 (25.1%)

Blue172 (67.5%)

Hue233.55°

Saturation (HSL)54.26%

Lightness43.73%

Dominant channelBlue

Hex per channelR 33 · G 40 · B AC

Keep nerding

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

#3340AC

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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