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Recognised as Colour

#4F638E

  • #4F638E
  • Blue
  • Dark
  • Nearest: Steel blue

#4F638E is a blue with RGB values 79, 99, 142 and HSL 221°, 29%, 43%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4F638E#4F638E
HEX#4F638E
RGBrgb(79, 99, 142)
RGB (0–1)0.3098, 0.3882, 0.5569
RGB percentages31%, 38.8%, 55.7%
HSLhsl(221, 28.5%, 43.3%)
HSV / HSBhsv(221, 44.4%, 55.7%)
CMYK44.4%, 30.3%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,202,830
CSS custom property--colour: #4F638E;

Brightness & contrast

Relative luminance0.12539WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.99:1
Contrast with white5.99:1WCAG normal text: AA
Contrast with black3.51:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#B09C71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#546690no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#4D618Dno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#396C72no blue cones; rare, and affects men and women equally; ΔE 26.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.99:1WCAG large text: AAA
Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.8Slate grey · ΔE 20Light slate grey · ΔE 21.5Dim grey · ΔE 26.6Gray · ΔE 28.9Dark slateblue · ΔE 29.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E7A4F
Analogous#4F838E, #5B4F8E
Triadic#8E4F63, #638E4F
Split complementary#8E5B4F, #838E4F
Tetradic#8E4F83, #8E7A4F, #4F8E5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8D0E1
Lighter +30%#A8B4CE
Lighter +20%#8798BC
Lighter +10%#667CAA
Darker −10%#3D4C6D
Darker −20%#2B354C
Darker −30%#181E2C
Darker −40%#06080B
More saturated +25%#3359AA
Less saturated −25%#6B6D72

Channel breakdown

R79
G99
B142
Red79 (31%)
Green99 (38.8%)
Blue142 (55.7%)
Hue220.95°
Saturation (HSL)28.51%
Lightness43.33%
Dominant channelBlue
Hex per channelR 4F · G 63 · B 8E

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Every value on this page was computed from “4f638e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.