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Recognised as Colour

#507B80

  • #507B80
  • Cyan
  • Dark
  • Nearest: Slate grey

#507B80 is a cyan with RGB values 80, 123, 128 and HSL 186°, 23%, 41%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#507B80#507B80
HEX#507B80
RGBrgb(80, 123, 128)
RGB (0–1)0.3137, 0.4824, 0.502
RGB percentages31.4%, 48.2%, 50.2%
HSLhsl(186.3, 23.1%, 40.8%)
HSV / HSBhsv(186.3, 37.5%, 50.2%)
CMYK37.5%, 3.9%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,274,496
CSS custom property--colour: #507B80;

Brightness & contrast

Relative luminance0.1743WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#727272
Inverted#AF847F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#757880no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#6C7180no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#3D7E7Cno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Slate grey · ΔE 12.4Light slate grey · ΔE 13.8Cadetblue · ΔE 13.8Teal · ΔE 15.4Dim grey · ΔE 16Gray · ΔE 16.1
Nearest named CSS colourSlate grey (#708090)ΔE 12.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#805550
Analogous#50806D, #506380
Triadic#80507B, #7B8050
Split complementary#805063, #806D50
Tetradic#6D5080, #805550, #638050

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D7D9
Lighter +30%#A3C2C6
Lighter +20%#84ADB2
Lighter +10%#65989E
Darker −10%#3C5D61
Darker −20%#293F41
Darker −30%#152122
Darker −40%#020202
More saturated +25%#36909A
Less saturated −25%#686868

Channel breakdown

R80
G123
B128
Red80 (31.4%)
Green123 (48.2%)
Blue128 (50.2%)
Hue186.25°
Saturation (HSL)23.08%
Lightness40.78%
Dominant channelBlue
Hex per channelR 50 · G 7B · B 80

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Every value on this page was computed from “507b80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.