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Colour

#2F4D84

  • #2F4D84
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2F4D84 is a blue with RGB values 47, 77, 132 and HSL 219°, 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

#2F4D84#2F4D84
HEX#2F4D84
RGBrgb(47, 77, 132)
RGB (0–1)0.1843, 0.302, 0.5176
RGB percentages18.4%, 30.2%, 51.8%
HSLhsl(218.8, 47.5%, 35.1%)
HSV / HSBhsv(218.8, 64.4%, 51.8%)
CMYK64.4%, 41.7%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,100,036
CSS custom property--colour: #2F4D84;

Brightness & contrast

Relative luminance0.07578WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.35:1
Contrast with white8.35:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#D0B27B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#355286no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#294A83no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#005962no 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 text8.35:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.3Steel blue · ΔE 22.6Slate grey · ΔE 32.3Cornflower blue · ΔE 32.6Midnight blue · ΔE 33.5Light slate grey · ΔE 33.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84662F
Analogous#2F7784, #3C2F84
Triadic#842F4D, #4D842F
Split complementary#843C2F, #77842F
Tetradic#842F77, #84662F, #2F843C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1B7DE
Lighter +30%#7C9AD0
Lighter +20%#567DC3
Lighter +10%#3C63AA
Darker −10%#22375E
Darker −20%#142139
Darker −30%#070B13
Darker −40%#000000
More saturated +25%#19469A
Less saturated −25%#45546E

Channel breakdown

R47
G77
B132
Red47 (18.4%)
Green77 (30.2%)
Blue132 (51.8%)
Hue218.82°
Saturation (HSL)47.49%
Lightness35.1%
Dominant channelBlue
Hex per channelR 2F · G 4D · B 84

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Every value on this page was computed from “2f4d84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.