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Recognised as Colour

#4F648F

  • #4F648F
  • Blue
  • Dark
  • Nearest: Steel blue

#4F648F is a blue with RGB values 79, 100, 143 and HSL 220°, 29%, 44%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4F648F#4F648F
HEX#4F648F
RGBrgb(79, 100, 143)
RGB (0–1)0.3098, 0.3922, 0.5608
RGB percentages31%, 39.2%, 56.1%
HSLhsl(220.3, 28.8%, 43.5%)
HSV / HSBhsv(220.3, 44.8%, 56.1%)
CMYK44.8%, 30.1%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,203,087
CSS custom property--colour: #4F648F;

Brightness & contrast

Relative luminance0.1276WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.91:1
Contrast with white5.91:1WCAG normal text: AA
Contrast with black3.55:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#B09B70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#556791no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#4E618Eno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#386D73no blue cones; rare, and affects men and women equally; ΔE 26.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.91:1WCAG large text: AAA
Contrast with black, large text3.55:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.3Slate grey · ΔE 19.8Light slate grey · ΔE 21.2Dim grey · ΔE 26.6Gray · ΔE 28.7Dark slateblue · ΔE 29.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F7A4F
Analogous#4F848F, #5A4F8F
Triadic#8F4F64, #648F4F
Split complementary#8F5A4F, #848F4F
Tetradic#8F4F84, #8F7A4F, #4F8F5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9D1E1
Lighter +30%#A8B5CF
Lighter +20%#8799BD
Lighter +10%#667DAB
Darker −10%#3D4D6E
Darker −20%#2B364D
Darker −30%#191F2C
Darker −40%#06080C
More saturated +25%#335AAB
Less saturated −25%#6B6E73

Channel breakdown

R79
G100
B143
Red79 (31%)
Green100 (39.2%)
Blue143 (56.1%)
Hue220.31°
Saturation (HSL)28.83%
Lightness43.53%
Dominant channelBlue
Hex per channelR 4F · G 64 · B 8F

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Every value on this page was computed from “4f648f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.