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Recognised as Colour

#47556A

  • #47556A
  • Blue
  • Dark
  • Nearest: Dark slate grey

#47556A is a blue with RGB values 71, 85, 106 and HSL 216°, 20%, 35%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#47556A#47556A
HEX#47556A
RGBrgb(71, 85, 106)
RGB (0–1)0.2784, 0.3333, 0.4157
RGB percentages27.8%, 33.3%, 41.6%
HSLhsl(216, 19.8%, 34.7%)
HSV / HSBhsv(216, 33%, 41.6%)
CMYK33%, 19.8%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,674,922
CSS custom property--colour: #47556A;

Brightness & contrast

Relative luminance0.08877WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.57:1
Contrast with white7.57:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#B8AA95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E566Bno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#4A536Ano green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#3D595Cno blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.57:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.2Dim grey · ΔE 16.3Slate grey · ΔE 17.5Light slate grey · ΔE 20.5Gray · ΔE 22.6Steel blue · ΔE 25.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A5C47
Analogous#47676A, #4A476A
Triadic#6A4755, #556A47
Split complementary#6A4B47, #676A47
Tetradic#6A4767, #6A5C47, #476A4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2BCCB
Lighter +30%#93A1B7
Lighter +20%#7587A2
Lighter +10%#5B6D89
Darker −10%#333D4B
Darker −20%#1E242D
Darker −30%#0A0C0E
Darker −40%#000000
More saturated +25%#315180
Less saturated −25%#595959

Channel breakdown

R71
G85
B106
Red71 (27.8%)
Green85 (33.3%)
Blue106 (41.6%)
Hue216°
Saturation (HSL)19.77%
Lightness34.71%
Dominant channelBlue
Hex per channelR 47 · G 55 · B 6A

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Every value on this page was computed from “47556a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.