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Colour

#686D7F

  • #686D7F
  • Blue
  • Dark
  • Nearest: Slate grey

#686D7F is a blue with RGB values 104, 109, 127 and HSL 227°, 10%, 45%. 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

#686D7F#686D7F
HEX#686D7F
RGBrgb(104, 109, 127)
RGB (0–1)0.4078, 0.4275, 0.498
RGB percentages40.8%, 42.7%, 49.8%
HSLhsl(227, 10%, 45.3%)
HSV / HSBhsv(227, 18.1%, 49.8%)
CMYK18.1%, 14.2%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,843,775
CSS custom property--colour: #686D7F;

Brightness & contrast

Relative luminance0.15413WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.14:1
Contrast with white5.14:1WCAG normal text: AA
Contrast with black4.08:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#979280

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#686E80no red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#666D7Fno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#637073no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.14:1WCAG large text: AAA
Contrast with black, large text4.08:1WCAG large text: AA

Named colours

Slate grey · ΔE 7.9Light slate grey · ΔE 10.7Dim grey · ΔE 11Gray · ΔE 13.1Dark slate grey · ΔE 21.5Steel blue · ΔE 23.3
Nearest named CSS colourSlate grey (#708090)ΔE 7.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F7A68
Analogous#68787F, #6F687F
Triadic#7F686D, #6D7F68
Split complementary#7F6F68, #787F68
Tetradic#7F6878, #7F7A68, #687F6F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6D7DD
Lighter +30%#BABCC6
Lighter +20%#9EA2AF
Lighter +10%#828798
Darker −10%#515563
Darker −20%#3A3D47
Darker −30%#23252B
Darker −40%#0C0D0F
More saturated +25%#4B5D9C
Less saturated −25%#747474

Channel breakdown

R104
G109
B127
Red104 (40.8%)
Green109 (42.7%)
Blue127 (49.8%)
Hue226.96°
Saturation (HSL)9.96%
Lightness45.29%
Dominant channelBlue
Hex per channelR 68 · G 6D · B 7F

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Every value on this page was computed from “686d7f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.