Colour

#3177BD

#3177BD
Blue
Dark
Nearest: Steel blue

#3177BD is a blue with RGB values 49, 119, 189 and HSL 210°, 59%, 47%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3177BD#3177BD

HEX#3177BD

RGBrgb(49, 119, 189)

RGB (0–1)0.1922, 0.4667, 0.7412

RGB percentages19.2%, 46.7%, 74.1%

HSLhsl(210, 58.8%, 46.7%)

HSV / HSBhsv(210, 74.1%, 74.1%)

CMYK74.1%, 37%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,241,917

CSS custom property--colour: #3177BD;

Brightness & contrast

Relative luminance0.17521WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.66:1

Contrast with white4.66:1WCAG normal text: AA

Contrast with black4.5:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#CE8842

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#577BC0no red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#426EBCno green cones; the most common form, about 1% of men; ΔE 8.5 from the original

Tritanopia#008891no blue cones; rare, and affects men and women equally; ΔE 41.6 from the original

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

Contrast with white, large text4.66:1WCAG large text: AAA

Contrast with black, large text4.5:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13 Cornflower blue · ΔE 16.1 Dodgerblue · ΔE 24.2 Dark slateblue · ΔE 30 Deep skyblue · ΔE 30.9 Royal blue · ΔE 32.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 13.01, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BD7731

Analogous#31BDBD, #3131BD

Triadic#BD3177, #77BD31

Split complementary#BD3131, #BDBD31

Tetradic#BD31BD, #BD7731, #31BD31

Tints, shades & saturation

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

Lighter +40%#C9DDF1

Lighter +30%#A0C3E6

Lighter +20%#78AADC

Lighter +10%#4F91D2

Darker −10%#275E94

Darker −20%#1C446C

Darker −30%#112A43

Darker −40%#07111B

More saturated +25%#1377DB

Less saturated −25%#4F779F

Channel breakdown

R49

G119

B189

Red49 (19.2%)

Green119 (46.7%)

Blue189 (74.1%)

Hue210°

Saturation (HSL)58.82%

Lightness46.67%

Dominant channelBlue

Hex per channelR 31 · G 77 · B BD

Keep nerding

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

#3177BD

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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