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Recognised as Colour

#2F4E84

  • #2F4E84
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F4E84 is a blue with RGB values 47, 78, 132 and HSL 218°, 47%, 35%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F4E84#2F4E84
HEX#2F4E84
RGBrgb(47, 78, 132)
RGB (0–1)0.1843, 0.3059, 0.5176
RGB percentages18.4%, 30.6%, 51.8%
HSLhsl(218.1, 47.5%, 35.1%)
HSV / HSBhsv(218.1, 64.4%, 51.8%)
CMYK64.4%, 40.9%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,100,292
CSS custom property--colour: #2F4E84;

Brightness & contrast

Relative luminance0.07719WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.26:1
Contrast with white8.26:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#D0B17B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#365386no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#2A4B83no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#005A62no blue cones; rare, and affects men and women equally; ΔE 34.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.26:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.1Steel blue · ΔE 22Slate grey · ΔE 31.6Cornflower blue · ΔE 32.6Light slate grey · ΔE 33.2Midnight blue · ΔE 34.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84652F
Analogous#2F7984, #3B2F84
Triadic#842F4E, #4E842F
Split complementary#843B2F, #79842F
Tetradic#842F78, #84652F, #2F843B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1B7DE
Lighter +30%#7C9BD0
Lighter +20%#567EC3
Lighter +10%#3C64AA
Darker −10%#22385E
Darker −20%#142239
Darker −30%#070B13
Darker −40%#000000
More saturated +25%#19489A
Less saturated −25%#45546E

Channel breakdown

R47
G78
B132
Red47 (18.4%)
Green78 (30.6%)
Blue132 (51.8%)
Hue218.12°
Saturation (HSL)47.49%
Lightness35.1%
Dominant channelBlue
Hex per channelR 2F · G 4E · B 84

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Every value on this page was computed from “2f4e84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.