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Recognised as Colour

#508F9B

  • #508F9B
  • Cyan
  • Dark
  • Nearest: Cadetblue

#508F9B is a cyan with RGB values 80, 143, 155 and HSL 190°, 32%, 46%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#508F9B#508F9B
HEX#508F9B
RGBrgb(80, 143, 155)
RGB (0–1)0.3137, 0.5608, 0.6078
RGB percentages31.4%, 56.1%, 60.8%
HSLhsl(189.6, 31.9%, 46.1%)
HSV / HSBhsv(189.6, 48.4%, 60.8%)
CMYK48.4%, 7.7%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,279,643
CSS custom property--colour: #508F9B;

Brightness & contrast

Relative luminance0.23717WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.74:1
Contrast with white3.66:1WCAG normal text: Fail
Contrast with black5.74:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#AF7064

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#858B9Cno red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#79829Bno green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#289493no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.66:1WCAG large text: AA
Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 8Dark cyan · ΔE 14.6Teal · ΔE 14.7Light slate grey · ΔE 14.7Slate grey · ΔE 15.2Gray · ΔE 21.2
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 7.98, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B5C50
Analogous#509B82, #50699B
Triadic#9B508F, #8F9B50
Split complementary#9B5069, #9B8250
Tetradic#82509B, #9B5C50, #699B50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0E3E7
Lighter +30%#AFCFD5
Lighter +20%#8DBBC4
Lighter +10%#6BA7B3
Darker −10%#3F7079
Darker −20%#2D5158
Darker −30%#1C3236
Darker −40%#0B1314
More saturated +25%#33A3B8
Less saturated −25%#6D7B7E

Channel breakdown

R80
G143
B155
Red80 (31.4%)
Green143 (56.1%)
Blue155 (60.8%)
Hue189.6°
Saturation (HSL)31.91%
Lightness46.08%
Dominant channelBlue
Hex per channelR 50 · G 8F · B 9B

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Every value on this page was computed from “508f9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.