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Recognised as Colour

#2F4299

  • #2F4299
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F4299 is a blue with RGB values 47, 66, 153 and HSL 229°, 53%, 39%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F4299#2F4299
HEX#2F4299
RGBrgb(47, 66, 153)
RGB (0–1)0.1843, 0.2588, 0.6
RGB percentages18.4%, 25.9%, 60%
HSLhsl(229.2, 53%, 39.2%)
HSV / HSBhsv(229.2, 69.3%, 60%)
CMYK69.3%, 56.9%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,097,241
CSS custom property--colour: #2F4299;

Brightness & contrast

Relative luminance0.06801WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#D0BD66

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004F9Cno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#004597no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#005767no blue cones; rare, and affects men and women equally; ΔE 51.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.5Midnight blue · ΔE 17.9Rebecca purple · ΔE 20.4Slate blue · ΔE 20.9Royal blue · ΔE 22.8Medium purple · ΔE 27.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99862F
Analogous#2F7799, #512F99
Triadic#992F42, #42992F
Split complementary#99512F, #77992F
Tetradic#992F77, #99862F, #2F9951

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEB8E6
Lighter +30%#8796DA
Lighter +20%#6074CE
Lighter +10%#3B53C0
Darker −10%#233172
Darker −20%#17204B
Darker −30%#0B1024
Darker −40%#000000
More saturated +25%#1632B2
Less saturated −25%#485280

Channel breakdown

R47
G66
B153
Red47 (18.4%)
Green66 (25.9%)
Blue153 (60%)
Hue229.25°
Saturation (HSL)53%
Lightness39.22%
Dominant channelBlue
Hex per channelR 2F · G 42 · B 99

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Every value on this page was computed from “2f4299” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.