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Recognised as Colour

#656D8D

  • #656D8D
  • Blue
  • Dark
  • Nearest: Slate grey

#656D8D is a blue with RGB values 101, 109, 141 and HSL 228°, 17%, 47%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#656D8D#656D8D
HEX#656D8D
RGBrgb(101, 109, 141)
RGB (0–1)0.3961, 0.4275, 0.5529
RGB percentages39.6%, 42.7%, 55.3%
HSLhsl(228, 16.5%, 47.5%)
HSV / HSBhsv(228, 28.4%, 55.3%)
CMYK28.4%, 22.7%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,647,181
CSS custom property--colour: #656D8D;

Brightness & contrast

Relative luminance0.15627WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#9A9272

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#64708Eno red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#616D8Cno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#5B7378no blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Slate grey · ΔE 12.3Light slate grey · ΔE 13.9Steel blue · ΔE 17.3Dim grey · ΔE 19.2Gray · ΔE 20.4Dark slate grey · ΔE 26.8
Nearest named CSS colourSlate grey (#708090)ΔE 12.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D8565
Analogous#65818D, #71658D
Triadic#8D656D, #6D8D65
Split complementary#8D7165, #818D65
Tetradic#8D6581, #8D8565, #658D71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DADCE4
Lighter +30%#BCC0CF
Lighter +20%#9EA4BA
Lighter +10%#8188A4
Darker −10%#50566F
Darker −20%#3A3F52
Darker −30%#252834
Darker −40%#101116
More saturated +25%#475BAB
Less saturated −25%#797979

Channel breakdown

R101
G109
B141
Red101 (39.6%)
Green109 (42.7%)
Blue141 (55.3%)
Hue228°
Saturation (HSL)16.53%
Lightness47.45%
Dominant channelBlue
Hex per channelR 65 · G 6D · B 8D

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Every value on this page was computed from “656d8d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.