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
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
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
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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Harmonies
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