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Recognised as Colour

#4F59DA

  • #4F59DA
  • Blue
  • Dark
  • Nearest: Slate blue

#4F59DA is a blue with RGB values 79, 89, 218 and HSL 236°, 65%, 58%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#4F59DA#4F59DA
HEX#4F59DA
RGBrgb(79, 89, 218)
RGB (0–1)0.3098, 0.349, 0.8549
RGB percentages31%, 34.9%, 85.5%
HSLhsl(235.7, 65.3%, 58.2%)
HSV / HSBhsv(235.7, 63.8%, 85.5%)
CMYK63.8%, 59.2%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,200,346
CSS custom property--colour: #4F59DA;

Brightness & contrast

Relative luminance0.13869WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.56:1
Contrast with white5.56:1WCAG normal text: AA
Contrast with black3.77:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#B0A625

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EDEno red cones; affects about 1% of men; ΔE 19.2 from the original
Deuteranopia#0062D7no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#007991no blue cones; rare, and affects men and women equally; ΔE 72.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.56:1WCAG large text: AAA
Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Slate blue · ΔE 9.7Medium slateblue · ΔE 9.9Royal blue · ΔE 10.5Medium purple · ΔE 20.5Rebecca purple · ΔE 24.2Dark slateblue · ΔE 30.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.72, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAD04F
Analogous#4F9FDA, #8A4FDA
Triadic#DA4F59, #59DA4F
Split complementary#DA8A4F, #9FDA4F
Tetradic#DA4F9F, #DAD04F, #4FDA8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8F8FD
Lighter +30%#CDD0F5
Lighter +20%#A3A8EC
Lighter +10%#7981E3
Darker −10%#2B36CB
Darker −20%#222BA1
Darker −30%#192077
Darker −40%#10154D
More saturated +25%#3442F5
Less saturated −25%#6A70BF

Channel breakdown

R79
G89
B218
Red79 (31%)
Green89 (34.9%)
Blue218 (85.5%)
Hue235.68°
Saturation (HSL)65.26%
Lightness58.24%
Dominant channelBlue
Hex per channelR 4F · G 59 · B DA

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Every value on this page was computed from “4f59da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.