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Recognised as Colour

#4D87DB

  • #4D87DB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4D87DB is a blue with RGB values 77, 135, 219 and HSL 215°, 66%, 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

#4D87DB#4D87DB
HEX#4D87DB
RGBrgb(77, 135, 219)
RGB (0–1)0.302, 0.5294, 0.8588
RGB percentages30.2%, 52.9%, 85.9%
HSLhsl(215.5, 66.4%, 58%)
HSV / HSBhsv(215.5, 64.8%, 85.9%)
CMYK64.8%, 38.4%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,081,051
CSS custom property--colour: #4D87DB;

Brightness & contrast

Relative luminance0.2402WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.8:1
Contrast with white3.62:1WCAG normal text: Fail
Contrast with black5.8:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#B27824

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#628EDEno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#4D80D9no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#009AA6no blue cones; rare, and affects men and women equally; ΔE 49.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.62:1WCAG large text: AA
Contrast with black, large text5.8:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.2Dodgerblue · ΔE 15.4Steel blue · ΔE 20.4Royal blue · ΔE 26.5Medium purple · ΔE 29.4Deep skyblue · ΔE 30.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBA14D
Analogous#4DCEDB, #5A4DDB
Triadic#DB4D87, #87DB4D
Split complementary#DB5A4D, #CEDB4D
Tetradic#DB4DCE, #DBA14D, #4DDB5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9FD
Lighter +30%#CCDDF5
Lighter +20%#A2C0EC
Lighter +10%#77A4E4
Darker −10%#296CCC
Darker −20%#2155A1
Darker −30%#183F77
Darker −40%#0F284D
More saturated +25%#3282F6
Less saturated −25%#688CC0

Channel breakdown

R77
G135
B219
Red77 (30.2%)
Green135 (52.9%)
Blue219 (85.9%)
Hue215.49°
Saturation (HSL)66.36%
Lightness58.04%
Dominant channelBlue
Hex per channelR 4D · G 87 · B DB

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Every value on this page was computed from “4d87db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.