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Recognised as Colour

#8391B6

  • #8391B6
  • Blue
  • Dark
  • Nearest: Light slate grey

#8391B6 is a blue with RGB values 131, 145, 182 and HSL 224°, 26%, 61%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8391B6#8391B6
HEX#8391B6
RGBrgb(131, 145, 182)
RGB (0–1)0.5137, 0.5686, 0.7137
RGB percentages51.4%, 56.9%, 71.4%
HSLhsl(223.5, 25.9%, 61.4%)
HSV / HSBhsv(223.5, 28%, 71.4%)
CMYK28%, 20.3%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,622,518
CSS custom property--colour: #8391B6;

Brightness & contrast

Relative luminance0.28453WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.69:1
Contrast with white3.14:1WCAG normal text: Fail
Contrast with black6.69:1WCAG normal text: AA
Greyscale equivalent#919191
Inverted#7C6E49

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8694B8no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#818FB5no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#76989Dno blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.14:1WCAG large text: AA
Contrast with black, large text6.69:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.2Slate grey · ΔE 14Steel blue · ΔE 15.7Light steelblue · ΔE 19.6Gray · ΔE 22.3Dark grey · ΔE 23.1
Nearest named CSS colourLight slate grey (#778899)ΔE 12.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B6A883
Analogous#83ABB6, #8E83B6
Triadic#B68391, #91B683
Split complementary#B68E83, #ABB683
Tetradic#B683AB, #B6A883, #83B68E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3E6EF
Lighter +20%#C3CADC
Lighter +10%#A3ADC9
Darker −10%#6375A3
Darker −20%#4E5D85
Darker −30%#3B4765
Darker −40%#283045
More saturated +25%#6A86CF
Less saturated −25%#9C9C9D

Channel breakdown

R131
G145
B182
Red131 (51.4%)
Green145 (56.9%)
Blue182 (71.4%)
Hue223.53°
Saturation (HSL)25.89%
Lightness61.37%
Dominant channelBlue
Hex per channelR 83 · G 91 · B B6

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Every value on this page was computed from “8391b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.