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Recognised as Colour

#2F3F60

  • #2F3F60
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2F3F60 is a blue with RGB values 47, 63, 96 and HSL 220°, 34%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F3F60#2F3F60
HEX#2F3F60
RGBrgb(47, 63, 96)
RGB (0–1)0.1843, 0.2471, 0.3765
RGB percentages18.4%, 24.7%, 37.6%
HSLhsl(220.4, 34.3%, 28%)
HSV / HSBhsv(220.4, 51%, 37.6%)
CMYK51%, 34.4%, 0%, 62.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,096,416
CSS custom property--colour: #2F3F60;

Brightness & contrast

Relative luminance0.05004WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.5:1
Contrast with white10.5:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D0C09F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#334261no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#2D3D5Fno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#1B464Bno blue cones; rare, and affects men and women equally; ΔE 22 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.5:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.1Dim grey · ΔE 28.1Slate grey · ΔE 28.9Steel blue · ΔE 28.9Dark slateblue · ΔE 30.5Light slate grey · ΔE 31.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#60502F
Analogous#2F5760, #382F60
Triadic#602F3F, #3F602F
Split complementary#60382F, #57602F
Tetradic#602F57, #60502F, #2F6038

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92A4C9
Lighter +30%#6F87B9
Lighter +20%#516CA4
Lighter +10%#405582
Darker −10%#1E293E
Darker −20%#0D121C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D3972
Less saturated −25%#41454E

Channel breakdown

R47
G63
B96
Red47 (18.4%)
Green63 (24.7%)
Blue96 (37.6%)
Hue220.41°
Saturation (HSL)34.27%
Lightness28.04%
Dominant channelBlue
Hex per channelR 2F · G 3F · B 60

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Every value on this page was computed from “2f3f60” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.