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Recognised as Colour

#8381A6

  • #8381A6
  • Blue
  • Dark
  • Nearest: Light slate grey

#8381A6 is a blue with RGB values 131, 129, 166 and HSL 243°, 17%, 58%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8381A6#8381A6
HEX#8381A6
RGBrgb(131, 129, 166)
RGB (0–1)0.5137, 0.5059, 0.651
RGB percentages51.4%, 50.6%, 65.1%
HSLhsl(243.2, 17.2%, 57.8%)
HSV / HSBhsv(243.2, 22.3%, 65.1%)
CMYK21.1%, 22.3%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,618,406
CSS custom property--colour: #8381A6;

Brightness & contrast

Relative luminance0.23279WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#7C7E59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7885A8no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#7784A5no green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#7C878Eno blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 13.8Slate grey · ΔE 14.3Steel blue · ΔE 18.4Gray · ΔE 21.4Dim grey · ΔE 23.9Dark grey · ΔE 25.4
Nearest named CSS colourLight slate grey (#778899)ΔE 13.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4A681
Analogous#8192A6, #9581A6
Triadic#A68381, #81A683
Split complementary#A69581, #92A681
Tetradic#A68192, #A4A681, #81A696

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9F9FA
Lighter +30%#DBDBE5
Lighter +20%#BEBDD0
Lighter +10%#A09FBB
Darker −10%#67658F
Darker −20%#525071
Darker −30%#3C3B53
Darker −40%#272635
More saturated +25%#6B66C1
Less saturated −25%#939393

Channel breakdown

R131
G129
B166
Red131 (51.4%)
Green129 (50.6%)
Blue166 (65.1%)
Hue243.24°
Saturation (HSL)17.21%
Lightness57.84%
Dominant channelBlue
Hex per channelR 83 · G 81 · B A6

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Every value on this page was computed from “8381a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.