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Recognised as Colour

#2147C7

  • #2147C7
  • Blue
  • Dark
  • Nearest: Slate blue

#2147C7 is a blue with RGB values 33, 71, 199 and HSL 226°, 72%, 45%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2147C7#2147C7
HEX#2147C7
RGBrgb(33, 71, 199)
RGB (0–1)0.1294, 0.2784, 0.7804
RGB percentages12.9%, 27.8%, 78%
HSLhsl(226.3, 71.6%, 45.5%)
HSV / HSBhsv(226.3, 83.4%, 78%)
CMYK83.4%, 64.3%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,181,063
CSS custom property--colour: #2147C7;

Brightness & contrast

Relative luminance0.08953WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.53:1
Contrast with white7.53:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#DEB838

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CCBno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#004DC5no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#006980no blue cones; rare, and affects men and women equally; ΔE 72.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.53:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.4Royal blue · ΔE 15.6Medium slateblue · ΔE 17.9Rebecca purple · ΔE 24.2Dark blue · ΔE 26.1Navy · ΔE 26.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C7A121
Analogous#219AC7, #4E21C7
Triadic#C72147, #47C721
Split complementary#C74E21, #9AC721
Tetradic#C7219A, #C7A121, #21C74E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0CCF4
Lighter +30%#94A8ED
Lighter +20%#6885E6
Lighter +10%#3C61DF
Darker −10%#1A379B
Darker −20%#122870
Darker −30%#0B1844
Darker −40%#040918
More saturated +25%#0437E4
Less saturated −25%#3E57AA

Channel breakdown

R33
G71
B199
Red33 (12.9%)
Green71 (27.8%)
Blue199 (78%)
Hue226.27°
Saturation (HSL)71.55%
Lightness45.49%
Dominant channelBlue
Hex per channelR 21 · G 47 · B C7

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Every value on this page was computed from “2147c7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.