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Recognised as Colour

#728FAB

  • #728FAB
  • Blue
  • Dark
  • Nearest: Light slate grey

#728FAB is a blue with RGB values 114, 143, 171 and HSL 209°, 25%, 56%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#728FAB#728FAB
HEX#728FAB
RGBrgb(114, 143, 171)
RGB (0–1)0.4471, 0.5608, 0.6706
RGB percentages44.7%, 56.1%, 67.1%
HSLhsl(209.5, 25.3%, 55.9%)
HSV / HSBhsv(209.5, 33.3%, 67.1%)
CMYK33.3%, 16.4%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,507,883
CSS custom property--colour: #728FAB;

Brightness & contrast

Relative luminance0.26163WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.23:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.23:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#8D7054

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#848FACno red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#7D89AAno green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#609598no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.37:1WCAG large text: AA
Contrast with black, large text6.23:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 7.3Slate grey · ΔE 9.2Steel blue · ΔE 15.3Gray · ΔE 18.9Cadetblue · ΔE 19.8Light steelblue · ΔE 20.6
Nearest named CSS colourLight slate grey (#778899)ΔE 7.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB8E72
Analogous#72ABAA, #7273AB
Triadic#AB728F, #8FAB72
Split complementary#AB7273, #ABAB72
Tetradic#AA72AB, #AB8E72, #73AB72

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F5F7
Lighter +30%#D2DBE4
Lighter +20%#B2C2D1
Lighter +10%#92A8BE
Darker −10%#577693
Darker −20%#445C73
Darker −30%#314253
Darker −40%#1E2933
More saturated +25%#568FC7
Less saturated −25%#8E8F8F

Channel breakdown

R114
G143
B171
Red114 (44.7%)
Green143 (56.1%)
Blue171 (67.1%)
Hue209.47°
Saturation (HSL)25.33%
Lightness55.88%
Dominant channelBlue
Hex per channelR 72 · G 8F · B AB

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Every value on this page was computed from “728fab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.