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Recognised as Colour

#819CD0

  • #819CD0
  • Blue
  • Dark
  • Nearest: Steel blue

#819CD0 is a blue with RGB values 129, 156, 208 and HSL 219°, 46%, 66%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#819CD0#819CD0
HEX#819CD0
RGBrgb(129, 156, 208)
RGB (0–1)0.5059, 0.6118, 0.8157
RGB percentages50.6%, 61.2%, 81.6%
HSLhsl(219.5, 45.7%, 66.1%)
HSV / HSBhsv(219.5, 38%, 81.6%)
CMYK38%, 25%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,494,288
CSS custom property--colour: #819CD0;

Brightness & contrast

Relative luminance0.32998WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.6:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.6:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#7E632F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AA0D2no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#8298CFno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#68A7AEno blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.6:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.2Cornflower blue · ΔE 20.7Light steelblue · ΔE 20.8Light slate grey · ΔE 21.1Light skyblue · ΔE 21.2Slate grey · ΔE 22.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D0B581
Analogous#81C3D0, #8D81D0
Triadic#D0819C, #9CD081
Split complementary#D08E81, #C3D081
Tetradic#D081C3, #D0B581, #81D08E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F4FA
Lighter +20%#CBD6EC
Lighter +10%#A6B9DE
Darker −10%#5C7FC2
Darker −20%#4065AB
Darker −30%#324F86
Darker −40%#243961
More saturated +25%#6B95E6
Less saturated −25%#97A3BA

Channel breakdown

R129
G156
B208
Red129 (50.6%)
Green156 (61.2%)
Blue208 (81.6%)
Hue219.49°
Saturation (HSL)45.66%
Lightness66.08%
Dominant channelBlue
Hex per channelR 81 · G 9C · B D0

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Every value on this page was computed from “819cd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.