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Colour

#20477F

  • #20477F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#20477F is a blue with RGB values 32, 71, 127 and HSL 215°, 60%, 31%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#20477F#20477F
HEX#20477F
RGBrgb(32, 71, 127)
RGB (0–1)0.1255, 0.2784, 0.498
RGB percentages12.5%, 27.8%, 49.8%
HSLhsl(215.4, 59.7%, 31.2%)
HSV / HSBhsv(215.4, 74.8%, 49.8%)
CMYK74.8%, 44.1%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,115,455
CSS custom property--colour: #20477F;

Brightness & contrast

Relative luminance0.06346WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.25:1
Contrast with white9.25:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#DFB880

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C4C81no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#1B437Eno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00545Cno blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.25:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.2Steel blue · ΔE 25Midnight blue · ΔE 31.9Cornflower blue · ΔE 34.5Slate grey · ΔE 35Light slate grey · ΔE 36.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F5820
Analogous#20777F, #29207F
Triadic#7F2047, #477F20
Split complementary#7F2820, #777F20
Tetradic#7F2076, #7F5820, #207F28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8AAEE1
Lighter +30%#6191D7
Lighter +20%#3875CD
Lighter +10%#2A5EA8
Darker −10%#163056
Darker −20%#0B192E
Darker −30%#010305
Darker −40%#000000
More saturated +25%#0C4393
Less saturated −25%#344B6B

Channel breakdown

R32
G71
B127
Red32 (12.5%)
Green71 (27.8%)
Blue127 (49.8%)
Hue215.37°
Saturation (HSL)59.75%
Lightness31.18%
Dominant channelBlue
Hex per channelR 20 · G 47 · B 7F

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Every value on this page was computed from “20477f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.