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Recognised as Colour

#4989EF

  • #4989EF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4989EF is a blue with RGB values 73, 137, 239 and HSL 217°, 84%, 61%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4989EF#4989EF
HEX#4989EF
RGBrgb(73, 137, 239)
RGB (0–1)0.2863, 0.5373, 0.9373
RGB percentages28.6%, 53.7%, 93.7%
HSLhsl(216.9, 83.8%, 61.2%)
HSV / HSBhsv(216.9, 69.5%, 93.7%)
CMYK69.5%, 42.7%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,819,439
CSS custom property--colour: #4989EF;

Brightness & contrast

Relative luminance0.2554WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.11:1
Contrast with white3.44:1WCAG normal text: Fail
Contrast with black6.11:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#B67610

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5893F3no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#3A83EDno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00A1B0no blue cones; rare, and affects men and women equally; ΔE 57.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.44:1WCAG large text: AA
Contrast with black, large text6.11:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.8Cornflower blue · ΔE 9.7Royal blue · ΔE 18.6Medium purple · ΔE 25.5Slate blue · ΔE 26.5Medium slateblue · ΔE 30.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFAF49
Analogous#49DCEF, #5C49EF
Triadic#EF4989, #89EF49
Split complementary#EF5C49, #DCEF49
Tetradic#EF49DC, #EFAF49, #49EF5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D6E4FB
Lighter +20%#A7C6F7
Lighter +10%#78A7F3
Darker −10%#1A6BEB
Darker −20%#1155C1
Darker −30%#0D4092
Darker −40%#092C63
More saturated +25%#3985FF
Less saturated −25%#628FD6

Channel breakdown

R73
G137
B239
Red73 (28.6%)
Green137 (53.7%)
Blue239 (93.7%)
Hue216.87°
Saturation (HSL)83.84%
Lightness61.18%
Dominant channelBlue
Hex per channelR 49 · G 89 · B EF

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Every value on this page was computed from “4989ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.