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Recognised as Colour

#242F47

  • #242F47
  • Blue
  • Dark
  • Nearest: Dark slate grey

#242F47 is a blue with RGB values 36, 47, 71 and HSL 221°, 33%, 21%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#242F47#242F47
HEX#242F47
RGBrgb(36, 47, 71)
RGB (0–1)0.1412, 0.1843, 0.2784
RGB percentages14.1%, 18.4%, 27.8%
HSLhsl(221.1, 32.7%, 21%)
HSV / HSBhsv(221.1, 49.3%, 27.8%)
CMYK49.3%, 33.8%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,371,399
CSS custom property--colour: #242F47;

Brightness & contrast

Relative luminance0.02863WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.35:1
Contrast with white13.35:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DBD0B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#263148no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#232E46no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#173438no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.35:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.7Black · ΔE 25.7Dim grey · ΔE 30Slate grey · ΔE 34.2Dark slateblue · ΔE 36.3Light slate grey · ΔE 37.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#473C24
Analogous#244147, #2A2447
Triadic#47242F, #2F4724
Split complementary#472A24, #414724
Tetradic#472441, #473C24, #24472A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B8FBC
Lighter +30%#5973AB
Lighter +20%#465C8B
Lighter +10%#354569
Darker −10%#131925
Darker −20%#020203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#172A54
Less saturated −25%#31343A

Channel breakdown

R36
G47
B71
Red36 (14.1%)
Green47 (18.4%)
Blue71 (27.8%)
Hue221.14°
Saturation (HSL)32.71%
Lightness20.98%
Dominant channelBlue
Hex per channelR 24 · G 2F · B 47

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Every value on this page was computed from “242f47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.