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Recognised as Colour

#2F434E

  • #2F434E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2F434E is a blue with RGB values 47, 67, 78 and HSL 201°, 25%, 25%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F434E#2F434E
HEX#2F434E
RGBrgb(47, 67, 78)
RGB (0–1)0.1843, 0.2627, 0.3059
RGB percentages18.4%, 26.3%, 30.6%
HSLhsl(201.3, 24.8%, 24.5%)
HSV / HSBhsv(201.3, 39.7%, 30.6%)
CMYK39.7%, 14.1%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,097,422
CSS custom property--colour: #2F434E;

Brightness & contrast

Relative luminance0.05169WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.33:1
Contrast with white10.33:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#D0BCB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E424Fno red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#393F4Eno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#244646no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.33:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.8Dim grey · ΔE 20Slate grey · ΔE 25.8Gray · ΔE 28.3Light slate grey · ΔE 28.9Black · ΔE 29.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E3A2F
Analogous#2F4E49, #2F344E
Triadic#4E2F43, #434E2F
Split complementary#4E2F34, #4E4A2F
Tetradic#4A2F4E, #4E3A2F, #334E2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EABBB
Lighter +30%#6E93A8
Lighter +20%#557A8E
Lighter +10%#425E6E
Darker −10%#1C282E
Darker −20%#090C0E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F485E
Less saturated −25%#3F3F3F

Channel breakdown

R47
G67
B78
Red47 (18.4%)
Green67 (26.3%)
Blue78 (30.6%)
Hue201.29°
Saturation (HSL)24.8%
Lightness24.51%
Dominant channelBlue
Hex per channelR 2F · G 43 · B 4E

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Every value on this page was computed from “2f434e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.