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Recognised as Colour

#2B47CA

  • #2B47CA
  • Blue
  • Dark
  • Nearest: Slate blue

#2B47CA is a blue with RGB values 43, 71, 202 and HSL 229°, 65%, 48%. 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

#2B47CA#2B47CA
HEX#2B47CA
RGBrgb(43, 71, 202)
RGB (0–1)0.1686, 0.2784, 0.7922
RGB percentages16.9%, 27.8%, 79.2%
HSLhsl(229.4, 64.9%, 48%)
HSV / HSBhsv(229.4, 78.7%, 79.2%)
CMYK78.7%, 64.9%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,836,426
CSS custom property--colour: #2B47CA;

Brightness & contrast

Relative luminance0.09284WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.4 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#4B4B4B
Inverted#D4B835

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ECEno red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#004EC8no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#006A82no blue cones; rare, and affects men and women equally; ΔE 73.5 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 15.6Royal blue · ΔE 16.5Medium slateblue · ΔE 16.9Rebecca purple · ΔE 24.4Dark blue · ΔE 25.6Navy · ΔE 26.4
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CAAE2B
Analogous#2B96CA, #5F2BCA
Triadic#CA2B47, #47CA2B
Split complementary#CA5F2B, #96CA2B
Tetradic#CA2B96, #CAAE2B, #2BCA5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD4F4
Lighter +30%#A3AFEB
Lighter +20%#798BE2
Lighter +10%#4F67D9
Darker −10%#2238A0
Darker −20%#192976
Darker −30%#101B4C
Darker −40%#070C22
More saturated +25%#0C33E9
Less saturated −25%#4A5BAB

Channel breakdown

R43
G71
B202
Red43 (16.9%)
Green71 (27.8%)
Blue202 (79.2%)
Hue229.43°
Saturation (HSL)64.9%
Lightness48.04%
Dominant channelBlue
Hex per channelR 2B · G 47 · B CA

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Every value on this page was computed from “2b47ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.