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Recognised as Colour

#4F6383

  • #4F6383
  • Blue
  • Dark
  • Nearest: Slate grey

#4F6383 is a blue with RGB values 79, 99, 131 and HSL 217°, 25%, 41%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#4F6383#4F6383
HEX#4F6383
RGBrgb(79, 99, 131)
RGB (0–1)0.3098, 0.3882, 0.5137
RGB percentages31%, 38.8%, 51.4%
HSLhsl(216.9, 24.8%, 41.2%)
HSV / HSBhsv(216.9, 39.7%, 51.4%)
CMYK39.7%, 24.4%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,202,819
CSS custom property--colour: #4F6383;

Brightness & contrast

Relative luminance0.12225WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.1:1
Contrast with white6.1:1WCAG normal text: AA
Contrast with black3.44:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#B09C7C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#586584no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#526082no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#3E6A6Eno blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.1:1WCAG large text: AAA
Contrast with black, large text3.44:1WCAG large text: AA

Named colours

Slate grey · ΔE 15.2Steel blue · ΔE 17Light slate grey · ΔE 17.3Dim grey · ΔE 20.4Dark slate grey · ΔE 23.3Gray · ΔE 23.5
Nearest named CSS colourSlate grey (#708090)ΔE 15.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#836F4F
Analogous#4F7D83, #554F83
Triadic#834F63, #63834F
Split complementary#83554F, #7D834F
Tetradic#834F7D, #836F4F, #4F8355

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3CCDB
Lighter +30%#A3B1C8
Lighter +20%#8396B5
Lighter +10%#647BA1
Darker −10%#3C4B63
Darker −20%#293343
Darker −30%#151B24
Darker −40%#020304
More saturated +25%#355D9D
Less saturated −25%#696969

Channel breakdown

R79
G99
B131
Red79 (31%)
Green99 (38.8%)
Blue131 (51.4%)
Hue216.92°
Saturation (HSL)24.76%
Lightness41.18%
Dominant channelBlue
Hex per channelR 4F · G 63 · B 83

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Every value on this page was computed from “4f6383” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.