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Recognised as Colour

#4987DF

  • #4987DF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4987DF is a blue with RGB values 73, 135, 223 and HSL 215°, 70%, 58%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4987DF#4987DF
HEX#4987DF
RGBrgb(73, 135, 223)
RGB (0–1)0.2863, 0.5294, 0.8745
RGB percentages28.6%, 52.9%, 87.5%
HSLhsl(215.2, 70.1%, 58%)
HSV / HSBhsv(215.2, 67.3%, 87.5%)
CMYK67.3%, 39.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,818,911
CSS custom property--colour: #4987DF;

Brightness & contrast

Relative luminance0.24072WCAG 2.x, 0 is black and 1 is white
Perceived brightness134 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#B67820

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F8EE3no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#4880DDno green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#009BA8no blue cones; rare, and affects men and women equally; ΔE 50.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.1Dodgerblue · ΔE 13.2Steel blue · ΔE 22.5Royal blue · ΔE 24.7Medium purple · ΔE 28.7Slate blue · ΔE 30.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFA149
Analogous#49D2DF, #5649DF
Triadic#DF4987, #87DF49
Split complementary#DF5649, #D2DF49
Tetradic#DF49D2, #DFA149, #49DF56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F9FE
Lighter +30%#CBDDF6
Lighter +20%#A0C0EE
Lighter +10%#74A4E7
Darker −10%#256CD0
Darker −20%#1D55A5
Darker −30%#153F7A
Darker −40%#0E284E
More saturated +25%#2E82FA
Less saturated −25%#648CC4

Channel breakdown

R73
G135
B223
Red73 (28.6%)
Green135 (52.9%)
Blue223 (87.5%)
Hue215.2°
Saturation (HSL)70.09%
Lightness58.04%
Dominant channelBlue
Hex per channelR 49 · G 87 · B DF

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Every value on this page was computed from “4987df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.