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Recognised as Colour

#5687BB

  • #5687BB
  • Blue
  • Dark
  • Nearest: Steel blue

#5687BB is a blue with RGB values 86, 135, 187 and HSL 211°, 43%, 54%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5687BB#5687BB
HEX#5687BB
RGBrgb(86, 135, 187)
RGB (0–1)0.3373, 0.5294, 0.7333
RGB percentages33.7%, 52.9%, 73.3%
HSLhsl(210.9, 42.6%, 53.5%)
HSV / HSBhsv(210.9, 54%, 73.3%)
CMYK54%, 27.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,670,843
CSS custom property--colour: #5687BB;

Brightness & contrast

Relative luminance0.22894WCAG 2.x, 0 is black and 1 is white
Perceived brightness130 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#A97844

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7289BDno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#657FBAno green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#189399no blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.7Light slate grey · ΔE 21.2Cornflower blue · ΔE 21.3Slate grey · ΔE 21.8Deep skyblue · ΔE 26.1Light skyblue · ΔE 26.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.69, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB8A56
Analogous#56B9BB, #5856BB
Triadic#BB5687, #87BB56
Split complementary#BB5856, #B9BB56
Tetradic#BB56B9, #BB8A56, #56BB58

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EEF6
Lighter +30%#C3D4E7
Lighter +20%#9FBBD8
Lighter +10%#7AA1CA
Darker −10%#406E9E
Darker −20%#31547A
Darker −30%#223B56
Darker −40%#142231
More saturated +25%#3886D9
Less saturated −25%#74889D

Channel breakdown

R86
G135
B187
Red86 (33.7%)
Green135 (52.9%)
Blue187 (73.3%)
Hue210.89°
Saturation (HSL)42.62%
Lightness53.53%
Dominant channelBlue
Hex per channelR 56 · G 87 · B BB

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Every value on this page was computed from “5687bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.