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Colour

#819FD2

  • #819FD2
  • Blue
  • Dark
  • Nearest: Steel blue

#819FD2 is a blue with RGB values 129, 159, 210 and HSL 218°, 47%, 66%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#819FD2#819FD2
HEX#819FD2
RGBrgb(129, 159, 210)
RGB (0–1)0.5059, 0.6235, 0.8235
RGB percentages50.6%, 62.4%, 82.4%
HSLhsl(217.8, 47.4%, 66.5%)
HSV / HSBhsv(217.8, 38.6%, 82.4%)
CMYK38.6%, 24.3%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,495,058
CSS custom property--colour: #819FD2;

Brightness & contrast

Relative luminance0.34117WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.82:1
Contrast with white2.68:1WCAG normal text: Fail
Contrast with black7.82:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#7E602D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8DA2D4no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#849AD1no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#66AAB0no blue cones; rare, and affects men and women equally; ΔE 29.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.68:1WCAG large text: Fail
Contrast with black, large text7.82:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.4Light skyblue · ΔE 19.7Light steelblue · ΔE 19.8Light slate grey · ΔE 20.9Cornflower blue · ΔE 21.4Slate grey · ΔE 22.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2B481
Analogous#81C7D2, #8C81D2
Triadic#D2819F, #9FD281
Split complementary#D28B81, #C8D281
Tetradic#D281C7, #D2B481, #81D28B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2F5FA
Lighter +20%#CCD8ED
Lighter +10%#A7BCDF
Darker −10%#5B82C5
Darker −20%#3E68AF
Darker −30%#315289
Darker −40%#243B63
More saturated +25%#6C99E7
Less saturated −25%#96A5BD

Channel breakdown

R129
G159
B210
Red129 (50.6%)
Green159 (62.4%)
Blue210 (82.4%)
Hue217.78°
Saturation (HSL)47.37%
Lightness66.47%
Dominant channelBlue
Hex per channelR 81 · G 9F · B D2

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Every value on this page was computed from “819fd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.