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Recognised as Colour

#224CDE

  • #224CDE
  • Blue
  • Dark
  • Nearest: Medium slateblue

#224CDE is a blue with RGB values 34, 76, 222 and HSL 227°, 74%, 50%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#224CDE#224CDE
HEX#224CDE
RGBrgb(34, 76, 222)
RGB (0–1)0.1333, 0.298, 0.8706
RGB percentages13.3%, 29.8%, 87.1%
HSLhsl(226.6, 74%, 50.2%)
HSV / HSBhsv(226.6, 84.7%, 87.1%)
CMYK84.7%, 65.8%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,247,902
CSS custom property--colour: #224CDE;

Brightness & contrast

Relative luminance0.10783WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.65:1
Contrast with white6.65:1WCAG normal text: AA
Contrast with black3.16:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#DDB321

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0065E3no red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#0054DBno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00748Eno blue cones; rare, and affects men and women equally; ΔE 80.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.65:1WCAG large text: AAA
Contrast with black, large text3.16:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.9Royal blue · ΔE 20.8Slate blue · ΔE 21.3Dark blue · ΔE 27.9Blue violet · ΔE 29.6Navy · ΔE 30.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEB422
Analogous#22AADE, #5622DE
Triadic#DE224C, #4CDE22
Split complementary#DE5622, #AADE22
Tetradic#DE22AA, #DEB422, #22DE56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3DCF9
Lighter +30%#A7B8F2
Lighter +20%#7B94EB
Lighter +10%#4E70E5
Darker −10%#1B3DB2
Darker −20%#142D86
Darker −30%#0D1E5A
Darker −40%#070F2D
More saturated +25%#023AFE
Less saturated −25%#425EBE

Channel breakdown

R34
G76
B222
Red34 (13.3%)
Green76 (29.8%)
Blue222 (87.1%)
Hue226.6°
Saturation (HSL)74.02%
Lightness50.2%
Dominant channelBlue
Hex per channelR 22 · G 4C · B DE

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Every value on this page was computed from “224cde” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.