Recognised as Colour

#334B71

#334B71
Blue
Dark
Nearest: Steel blue

#334B71 is a blue with RGB values 51, 75, 113 and HSL 217°, 38%, 32%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#334B71#334B71

HEX#334B71

RGBrgb(51, 75, 113)

RGB (0–1)0.2, 0.2941, 0.4431

RGB percentages20%, 29.4%, 44.3%

HSLhsl(216.8, 37.8%, 32.2%)

HSV / HSBhsv(216.8, 54.9%, 44.3%)

CMYK54.9%, 33.6%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,361,649

CSS custom property--colour: #334B71;

Brightness & contrast

Relative luminance0.06928WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.8:1

Contrast with white8.8:1WCAG normal text: AAA

Contrast with black2.39:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#CCB48E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C4E73no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#354870no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#135359no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.8:1WCAG large text: AAA

Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Steel blue · ΔE 23.2 Dark slate grey · ΔE 25.5 Slate grey · ΔE 25.9 Dim grey · ΔE 27.9 Light slate grey · ΔE 28.3 Dark slateblue · ΔE 29

Nearest named CSS colourSteel blue (#4682B4)ΔE 23.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#715933

Analogous#336A71, #3A3371

Triadic#71334B, #4B7133

Split complementary#713A33, #6A7133

Tetradic#71336A, #715933, #33713A

Tints, shades & saturation

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

Lighter +40%#9DB2D3

Lighter +30%#7A96C3

Lighter +20%#577BB3

Lighter +10%#436294

Darker −10%#23344E

Darker −20%#131C2B

Darker −30%#030508

Darker −40%#000000

More saturated +25%#1E4685

Less saturated −25%#47505C

Channel breakdown

R51

G75

B113

Red51 (20%)

Green75 (29.4%)

Blue113 (44.3%)

Hue216.77°

Saturation (HSL)37.8%

Lightness32.16%

Dominant channelBlue

Hex per channelR 33 · G 4B · B 71

Keep nerding

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

#334B71

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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