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Recognised as Colour

#2147CE

  • #2147CE
  • Blue
  • Dark
  • Nearest: Slate blue

#2147CE is a blue with RGB values 33, 71, 206 and HSL 227°, 72%, 47%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2147CE#2147CE
HEX#2147CE
RGBrgb(33, 71, 206)
RGB (0–1)0.1294, 0.2784, 0.8078
RGB percentages12.9%, 27.8%, 80.8%
HSLhsl(226.8, 72.4%, 46.9%)
HSV / HSBhsv(226.8, 84%, 80.8%)
CMYK84%, 65.5%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,181,070
CSS custom property--colour: #2147CE;

Brightness & contrast

Relative luminance0.09286WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.35:1
Contrast with white7.35:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#DEB831

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ED2no red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#004ECCno green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#006C84no blue cones; rare, and affects men and women equally; ΔE 75.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.35:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.6Medium slateblue · ΔE 17.6Royal blue · ΔE 17.8Dark blue · ΔE 25.5Rebecca purple · ΔE 26.5Navy · ΔE 26.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CEA821
Analogous#219DCE, #5221CE
Triadic#CE2147, #47CE21
Split complementary#CE5221, #9DCE21
Tetradic#CE219D, #CEA821, #21CE52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5D0F6
Lighter +30%#99ACEF
Lighter +20%#6D88E8
Lighter +10%#4164E1
Darker −10%#1A38A2
Darker −20%#132976
Darker −30%#0C1A4A
Darker −40%#050A1E
More saturated +25%#0336EC
Less saturated −25%#3F58B0

Channel breakdown

R33
G71
B206
Red33 (12.9%)
Green71 (27.8%)
Blue206 (80.8%)
Hue226.82°
Saturation (HSL)72.38%
Lightness46.86%
Dominant channelBlue
Hex per channelR 21 · G 47 · B CE

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Every value on this page was computed from “2147ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.