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Recognised as Colour

#2247CD

  • #2247CD
  • Blue
  • Dark
  • Nearest: Slate blue

#2247CD is a blue with RGB values 34, 71, 205 and HSL 227°, 72%, 47%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2247CD#2247CD
HEX#2247CD
RGBrgb(34, 71, 205)
RGB (0–1)0.1333, 0.2784, 0.8039
RGB percentages13.3%, 27.8%, 80.4%
HSLhsl(227, 71.5%, 46.9%)
HSV / HSBhsv(227, 83.4%, 80.4%)
CMYK83.4%, 65.4%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,246,605
CSS custom property--colour: #2247CD;

Brightness & contrast

Relative luminance0.09254WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.37:1
Contrast with white7.37:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#DDB832

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ED1no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#004ECBno green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#006B84no blue cones; rare, and affects men and women equally; ΔE 74.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.37:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.2Royal blue · ΔE 17.5Medium slateblue · ΔE 17.6Dark blue · ΔE 25.6Rebecca purple · ΔE 26.1Navy · ΔE 26.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDA822
Analogous#229DCD, #5222CD
Triadic#CD2247, #47CD22
Split complementary#CD5222, #9DCD22
Tetradic#CD229D, #CDA822, #22CD52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6D0F5
Lighter +30%#9AACEE
Lighter +20%#6E88E7
Lighter +10%#4264E0
Darker −10%#1B38A1
Darker −20%#132976
Darker −30%#0C1A4A
Darker −40%#050A1E
More saturated +25%#0436EB
Less saturated −25%#4058AF

Channel breakdown

R34
G71
B205
Red34 (13.3%)
Green71 (27.8%)
Blue205 (80.4%)
Hue227.02°
Saturation (HSL)71.55%
Lightness46.86%
Dominant channelBlue
Hex per channelR 22 · G 47 · B CD

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Every value on this page was computed from “2247cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.