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Recognised as Colour

#497C87

  • #497C87
  • Cyan
  • Dark
  • Nearest: Slate grey

#497C87 is a cyan with RGB values 73, 124, 135 and HSL 191°, 30%, 41%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#497C87#497C87
HEX#497C87
RGBrgb(73, 124, 135)
RGB (0–1)0.2863, 0.4863, 0.5294
RGB percentages28.6%, 48.6%, 52.9%
HSLhsl(190.6, 29.8%, 40.8%)
HSV / HSBhsv(190.6, 45.9%, 52.9%)
CMYK45.9%, 8.1%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,816,007
CSS custom property--colour: #497C87;

Brightness & contrast

Relative luminance0.17581WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.65:1
Contrast with white4.65:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#B68378

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#737988no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#6A7187no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#2C817Fno blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.65:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Slate grey · ΔE 12.5Light slate grey · ΔE 13.6Cadetblue · ΔE 14Teal · ΔE 15.1Dark cyan · ΔE 17.1Dim grey · ΔE 18.6
Nearest named CSS colourSlate grey (#708090)ΔE 12.49, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#875449
Analogous#498773, #495D87
Triadic#87497C, #7C8749
Split complementary#87495D, #877349
Tetradic#734987, #875449, #5D8749

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFD7DD
Lighter +30%#9EC3CB
Lighter +20%#7DAEB9
Lighter +10%#5C9AA7
Darker −10%#375E66
Darker −20%#253F45
Darker −30%#132124
Darker −40%#010203
More saturated +25%#2F8DA1
Less saturated −25%#636B6D

Channel breakdown

R73
G124
B135
Red73 (28.6%)
Green124 (48.6%)
Blue135 (52.9%)
Hue190.65°
Saturation (HSL)29.81%
Lightness40.78%
Dominant channelBlue
Hex per channelR 49 · G 7C · B 87

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Every value on this page was computed from “497c87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.