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Recognised as Colour

#2C71B0

  • #2C71B0
  • Blue
  • Dark
  • Nearest: Steel blue

#2C71B0 is a blue with RGB values 44, 113, 176 and HSL 209°, 60%, 43%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2C71B0#2C71B0
HEX#2C71B0
RGBrgb(44, 113, 176)
RGB (0–1)0.1725, 0.4431, 0.6902
RGB percentages17.3%, 44.3%, 69%
HSLhsl(208.6, 60%, 43.1%)
HSV / HSBhsv(208.6, 75%, 69%)
CMYK75%, 35.8%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,912,688
CSS custom property--colour: #2C71B0;

Brightness & contrast

Relative luminance0.1548WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.13:1
Contrast with white5.13:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#D38E4F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5474B3no red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#4168AFno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#008088no blue cones; rare, and affects men and women equally; ΔE 37.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.13:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.7Cornflower blue · ΔE 20.4Dodgerblue · ΔE 28.7Slate grey · ΔE 29.9Dark slateblue · ΔE 30Light slate grey · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B06B2C
Analogous#2CB0AD, #2C2FB0
Triadic#B02C71, #71B02C
Split complementary#B02C2F, #B0AD2C
Tetradic#AD2CB0, #B06B2C, #2FB02C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAD5EE
Lighter +30%#91BCE4
Lighter +20%#69A4D9
Lighter +10%#408BCF
Darker −10%#225787
Darker −20%#183D5E
Darker −30%#0D2236
Darker −40%#03080D
More saturated +25%#1172CC
Less saturated −25%#487094

Channel breakdown

R44
G113
B176
Red44 (17.3%)
Green113 (44.3%)
Blue176 (69%)
Hue208.64°
Saturation (HSL)60%
Lightness43.14%
Dominant channelBlue
Hex per channelR 2C · G 71 · B B0

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Every value on this page was computed from “2c71b0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.