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Recognised as Colour

#497B90

  • #497B90
  • Cyan
  • Dark
  • Nearest: Slate grey

#497B90 is a cyan with RGB values 73, 123, 144 and HSL 198°, 33%, 43%. 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

#497B90#497B90
HEX#497B90
RGBrgb(73, 123, 144)
RGB (0–1)0.2863, 0.4824, 0.5647
RGB percentages28.6%, 48.2%, 56.5%
HSLhsl(197.7, 32.7%, 42.5%)
HSV / HSBhsv(197.7, 49.3%, 56.5%)
CMYK49.3%, 14.6%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,815,760
CSS custom property--colour: #497B90;

Brightness & contrast

Relative luminance0.17596WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.3 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#B6846F

Colour vision & accessibility

Protanopia#707991no red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#657190no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#258182no blue cones; rare, and affects men and women equally; ΔE 16.9 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

Nearest named CSS colourSlate grey (#708090)ΔE 11.23, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#905E49
Analogous#499081, #495890
Triadic#90497B, #7B9049
Split complementary#904957, #908249
Tetradic#824990, #905E49, #589049

Tints, shades & saturation

Lighter +40%#C4D8E1
Lighter +30%#A2C2D0
Lighter +20%#80ACBF
Lighter +10%#5E96AE
Darker −10%#385E6E
Darker −20%#27414C
Darker −30%#16242A
Darker −40%#040709
More saturated +25%#2E86AB
Less saturated −25%#647075

Channel breakdown

R73
G123
B144
Red73 (28.6%)
Green123 (48.2%)
Blue144 (56.5%)
Hue197.75°
Saturation (HSL)32.72%
Lightness42.55%
Dominant channelBlue
Hex per channelR 49 · G 7B · B 90

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Every value on this page was computed from “497b90” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.