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Recognised as Colour

#497DE4

  • #497DE4
  • Blue
  • Dark
  • Nearest: Dodgerblue

#497DE4 is a blue with RGB values 73, 125, 228 and HSL 220°, 74%, 59%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#497DE4#497DE4
HEX#497DE4
RGBrgb(73, 125, 228)
RGB (0–1)0.2863, 0.4902, 0.8941
RGB percentages28.6%, 49%, 89.4%
HSLhsl(219.9, 74.2%, 59%)
HSV / HSBhsv(219.9, 68%, 89.4%)
CMYK68%, 45.2%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,816,356
CSS custom property--colour: #497DE4;

Brightness & contrast

Relative luminance0.21685WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#B6821B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4988E8no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#2B7AE2no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#0095A5no blue cones; rare, and affects men and women equally; ΔE 58.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.2Cornflower blue · ΔE 13.4Royal blue · ΔE 14.1Slate blue · ΔE 21.7Medium purple · ΔE 22.1Medium slateblue · ΔE 26.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4B049
Analogous#49CBE4, #6349E4
Triadic#E4497D, #7DE449
Split complementary#E46349, #CBE449
Tetradic#E449CA, #E4B049, #49E463

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFCFE
Lighter +30%#CEDCF8
Lighter +20%#A2BCF1
Lighter +10%#759DEB
Darker −10%#205EDA
Darker −20%#1A4BAD
Darker −30%#133881
Darker −40%#0D2554
More saturated +25%#2F74FE
Less saturated −25%#6386CA

Channel breakdown

R73
G125
B228
Red73 (28.6%)
Green125 (49%)
Blue228 (89.4%)
Hue219.87°
Saturation (HSL)74.16%
Lightness59.02%
Dominant channelBlue
Hex per channelR 49 · G 7D · B E4

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Every value on this page was computed from “497de4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.