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Recognised as Colour

#2F5EAA

  • #2F5EAA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F5EAA is a blue with RGB values 47, 94, 170 and HSL 217°, 57%, 43%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F5EAA#2F5EAA
HEX#2F5EAA
RGBrgb(47, 94, 170)
RGB (0–1)0.1843, 0.3686, 0.6667
RGB percentages18.4%, 36.9%, 66.7%
HSLhsl(217.1, 56.7%, 42.5%)
HSV / HSBhsv(217.1, 72.4%, 66.7%)
CMYK72.4%, 44.7%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,104,426
CSS custom property--colour: #2F5EAA;

Brightness & contrast

Relative luminance0.11512WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.36:1
Contrast with white6.36:1WCAG normal text: AA
Contrast with black3.3:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#D0A155

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3865ADno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#215AA8no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#00707Bno blue cones; rare, and affects men and women equally; ΔE 45.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.36:1WCAG large text: AAA
Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.5Cornflower blue · ΔE 21.9Steel blue · ΔE 23.1Dodgerblue · ΔE 26.1Royal blue · ΔE 26.3Slate blue · ΔE 28.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7B2F
Analogous#2F9CAA, #3D2FAA
Triadic#AA2F5E, #5EAA2F
Split complementary#AA3D2F, #9CAA2F
Tetradic#AA2F9C, #AA7B2F, #2FAA3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9CDEC
Lighter +30%#91B0E1
Lighter +20%#6993D6
Lighter +10%#4176CB
Darker −10%#244882
Darker −20%#19325A
Darker −30%#0E1C32
Darker −40%#03060A
More saturated +25%#1458C5
Less saturated −25%#4A648F

Channel breakdown

R47
G94
B170
Red47 (18.4%)
Green94 (36.9%)
Blue170 (66.7%)
Hue217.07°
Saturation (HSL)56.68%
Lightness42.55%
Dominant channelBlue
Hex per channelR 2F · G 5E · B AA

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Every value on this page was computed from “2f5eaa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.