Colour

#2756B3

#2756B3
Blue
Dark
Nearest: Dark slateblue

#2756B3 is a blue with RGB values 39, 86, 179 and HSL 220°, 64%, 43%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2756B3#2756B3

HEX#2756B3

RGBrgb(39, 86, 179)

RGB (0–1)0.1529, 0.3373, 0.702

RGB percentages15.3%, 33.7%, 70.2%

HSLhsl(219.9, 64.2%, 42.7%)

HSV / HSBhsv(219.9, 78.2%, 70.2%)

CMYK78.2%, 52%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,578,099

CSS custom property--colour: #2756B3;

Brightness & contrast

Relative luminance0.10342WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.84:1

Contrast with white6.84:1WCAG normal text: AA

Contrast with black3.07:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#D8A94C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1761B6no red cones; affects about 1% of men; ΔE 8.6 from the original

Deuteranopia#0054B1no green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#006D7Cno blue cones; rare, and affects men and women equally; ΔE 54.5 from the original

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

Contrast with white, large text6.84:1WCAG large text: AAA

Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 16.2 Royal blue · ΔE 16.7 Slate blue · ΔE 19.5 Dodgerblue · ΔE 24.4 Medium purple · ΔE 25.2 Cornflower blue · ΔE 25.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.15, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B38427

Analogous#279CB3, #3E27B3

Triadic#B32756, #56B327

Split complementary#B33E27, #9CB327

Tetradic#B3279C, #B38427, #27B33E

Tints, shades & saturation

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

Lighter +40%#B7CAEF

Lighter +30%#8DABE6

Lighter +20%#638CDD

Lighter +10%#396DD4

Darker −10%#1E4289

Darker −20%#152E5F

Darker −30%#0C1A35

Darker −40%#03060B

More saturated +25%#0C4DCE

Less saturated −25%#425F98

Channel breakdown

R39

G86

B179

Red39 (15.3%)

Green86 (33.7%)

Blue179 (70.2%)

Hue219.86°

Saturation (HSL)64.22%

Lightness42.75%

Dominant channelBlue

Hex per channelR 27 · G 56 · B B3

Keep nerding

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

#2756B3

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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