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Recognised as Colour

#519DAD

  • #519DAD
  • Cyan
  • Dark
  • Nearest: Cadetblue

#519DAD is a cyan with RGB values 81, 157, 173 and HSL 190°, 36%, 50%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#519DAD#519DAD
HEX#519DAD
RGBrgb(81, 157, 173)
RGB (0–1)0.3176, 0.6157, 0.6784
RGB percentages31.8%, 61.6%, 67.8%
HSLhsl(190.4, 36.2%, 49.8%)
HSV / HSBhsv(190.4, 53.2%, 67.8%)
CMYK53.2%, 9.2%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,348,781
CSS custom property--colour: #519DAD;

Brightness & contrast

Relative luminance0.2888WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.78:1
Contrast with white3.1:1WCAG normal text: Fail
Contrast with black6.78:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#AE6252

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9198AEno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#838EADno green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#09A4A2no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.1:1WCAG large text: AA
Contrast with black, large text6.78:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 8.2Dark cyan · ΔE 15.8Teal · ΔE 17.4Light slate grey · ΔE 17.9Slate grey · ΔE 19.2Sky blue · ΔE 19.8
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 8.17, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD6151
Analogous#51AD8F, #516FAD
Triadic#AD519D, #9DAD51
Split complementary#AD516F, #AD8F51
Tetradic#8F51AD, #AD6151, #6FAD51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCEBEE
Lighter +30%#B9D8DE
Lighter +20%#96C4CE
Lighter +10%#73B1BE
Darker −10%#417D8A
Darker −20%#305E68
Darker −30%#203E45
Darker −40%#101F22
More saturated +25%#31B2CD
Less saturated −25%#71888D

Channel breakdown

R81
G157
B173
Red81 (31.8%)
Green157 (61.6%)
Blue173 (67.8%)
Hue190.43°
Saturation (HSL)36.22%
Lightness49.8%
Dominant channelBlue
Hex per channelR 51 · G 9D · B AD

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Every value on this page was computed from “519dad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.