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Recognised as Colour

#8199BF

  • #8199BF
  • Blue
  • Dark
  • Nearest: Light slate grey

#8199BF is a blue with RGB values 129, 153, 191 and HSL 217°, 33%, 63%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#8199BF#8199BF
HEX#8199BF
RGBrgb(129, 153, 191)
RGB (0–1)0.5059, 0.6, 0.749
RGB percentages50.6%, 60%, 74.9%
HSLhsl(216.8, 32.6%, 62.7%)
HSV / HSBhsv(216.8, 32.5%, 74.9%)
CMYK32.5%, 19.9%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,493,503
CSS custom property--colour: #8199BF;

Brightness & contrast

Relative luminance0.31211WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.24:1
Contrast with white2.9:1WCAG normal text: Fail
Contrast with black7.24:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#7E6640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8C9BC1no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#8595BEno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#6FA1A6no blue cones; rare, and affects men and women equally; ΔE 21.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.9:1WCAG large text: Fail
Contrast with black, large text7.24:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 13.5Steel blue · ΔE 14.9Slate grey · ΔE 15.6Light steelblue · ΔE 17.4Light skyblue · ΔE 21.5Sky blue · ΔE 22.7
Nearest named CSS colourLight slate grey (#778899)ΔE 13.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFA781
Analogous#81B8BF, #8881BF
Triadic#BF8199, #99BF81
Split complementary#BF8881, #B8BF81
Tetradic#BF81B8, #BFA781, #81BF88

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6EBF3
Lighter +20%#C5D0E1
Lighter +10%#A3B4D0
Darker −10%#5F7EAE
Darker −20%#496591
Darker −30%#384D6F
Darker −40%#27364D
More saturated +25%#6994D7
Less saturated −25%#999EA7

Channel breakdown

R129
G153
B191
Red129 (50.6%)
Green153 (60%)
Blue191 (74.9%)
Hue216.77°
Saturation (HSL)32.63%
Lightness62.75%
Dominant channelBlue
Hex per channelR 81 · G 99 · B BF

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Every value on this page was computed from “8199bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.