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Recognised as Colour

#497D97

  • #497D97
  • Blue
  • Dark
  • Nearest: Slate grey

#497D97 is a blue with RGB values 73, 125, 151 and HSL 200°, 35%, 44%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#497D97#497D97
HEX#497D97
RGBrgb(73, 125, 151)
RGB (0–1)0.2863, 0.4902, 0.5922
RGB percentages28.6%, 49%, 59.2%
HSLhsl(200, 34.8%, 43.9%)
HSV / HSBhsv(200, 51.7%, 59.2%)
CMYK51.7%, 17.2%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,816,279
CSS custom property--colour: #497D97;

Brightness & contrast

Relative luminance0.18318WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.66:1
Contrast with white4.5:1WCAG normal text: AA
Contrast with black4.66:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#B68268

Colour vision & accessibility

Protanopia#707B98no red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#657397no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#1D8485no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.5:1WCAG large text: AAA
Contrast with black, large text4.66:1WCAG large text: AAA

Named colours

Nearest named CSS colourSlate grey (#708090)ΔE 12.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#976349
Analogous#49978A, #495697
Triadic#97497D, #7D9749
Split complementary#974956, #978A49
Tetradic#8A4997, #976349, #569749

Tints, shades & saturation

Lighter +40%#C8DBE4
Lighter +30%#A5C4D4
Lighter +20%#83AEC3
Lighter +10%#6197B2
Darker −10%#386175
Darker −20%#284452
Darker −30%#172830
Darker −40%#070B0D
More saturated +25%#2D86B3
Less saturated −25%#65747B

Channel breakdown

R73
G125
B151
Red73 (28.6%)
Green125 (49%)
Blue151 (59.2%)
Hue200°
Saturation (HSL)34.82%
Lightness43.92%
Dominant channelBlue
Hex per channelR 49 · G 7D · B 97

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Every value on this page was computed from “497d97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.