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Recognised as Colour

#2B41C8

  • #2B41C8
  • Blue
  • Dark
  • Nearest: Slate blue

#2B41C8 is a blue with RGB values 43, 65, 200 and HSL 232°, 65%, 48%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2B41C8#2B41C8
HEX#2B41C8
RGBrgb(43, 65, 200)
RGB (0–1)0.1686, 0.2549, 0.7843
RGB percentages16.9%, 25.5%, 78.4%
HSLhsl(231.6, 64.6%, 47.6%)
HSV / HSBhsv(231.6, 78.5%, 78.4%)
CMYK78.5%, 67.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,834,888
CSS custom property--colour: #2B41C8;

Brightness & contrast

Relative luminance0.08464WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.8:1
Contrast with white7.8:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#D4BE37

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005ACCno red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#004BC6no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#00667Fno blue cones; rare, and affects men and women equally; ΔE 75.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.8:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.1Medium slateblue · ΔE 18.5Royal blue · ΔE 20.1Dark blue · ΔE 22.9Navy · ΔE 24.3Rebecca purple · ΔE 25.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8B22B
Analogous#2B8FC8, #642BC8
Triadic#C82B41, #41C82B
Split complementary#C8642B, #8FC82B
Tetradic#C82B8F, #C8B22B, #2BC864

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD1F4
Lighter +30%#A1ABEB
Lighter +20%#7786E2
Lighter +10%#4D61D9
Darker −10%#22339E
Darker −20%#192674
Darker −30%#10184A
Darker −40%#070A20
More saturated +25%#0D2BE6
Less saturated −25%#4957AA

Channel breakdown

R43
G65
B200
Red43 (16.9%)
Green65 (25.5%)
Blue200 (78.4%)
Hue231.59°
Saturation (HSL)64.61%
Lightness47.65%
Dominant channelBlue
Hex per channelR 2B · G 41 · B C8

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Every value on this page was computed from “2b41c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.