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Recognised as Colour

#2F45CD

  • #2F45CD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2F45CD is a blue with RGB values 47, 69, 205 and HSL 232°, 63%, 49%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2F45CD#2F45CD
HEX#2F45CD
RGBrgb(47, 69, 205)
RGB (0–1)0.1843, 0.2706, 0.8039
RGB percentages18.4%, 27.1%, 80.4%
HSLhsl(231.6, 62.7%, 49.4%)
HSV / HSBhsv(231.6, 77.1%, 80.4%)
CMYK77.1%, 66.3%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,098,061
CSS custom property--colour: #2F45CD;

Brightness & contrast

Relative luminance0.09268WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.36:1
Contrast with white7.36:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#D0BA32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DD1no red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#004ECAno green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#006A83no blue cones; rare, and affects men and women equally; ΔE 76.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.36:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 17.2Slate blue · ΔE 17.4Royal blue · ΔE 19Dark blue · ΔE 24.5Rebecca purple · ΔE 25.6Navy · ΔE 25.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDB72F
Analogous#2F94CD, #682FCD
Triadic#CD2F45, #45CD2F
Split complementary#CD682F, #94CD2F
Tetradic#CD2F94, #CDB72F, #2FCD68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3D8F5
Lighter +30%#AAB3EB
Lighter +20%#808EE2
Lighter +10%#5769D8
Darker −10%#2537A4
Darker −20%#1C297A
Darker −30%#121B51
Darker −40%#090D27
More saturated +25%#102EED
Less saturated −25%#4F5CAE

Channel breakdown

R47
G69
B205
Red47 (18.4%)
Green69 (27.1%)
Blue205 (80.4%)
Hue231.65°
Saturation (HSL)62.7%
Lightness49.41%
Dominant channelBlue
Hex per channelR 2F · G 45 · B CD

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Every value on this page was computed from “2f45cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.