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Recognised as Colour

#678F9F

  • #678F9F
  • Cyan
  • Dark
  • Nearest: Light slate grey

#678F9F is a cyan with RGB values 103, 143, 159 and HSL 197°, 23%, 51%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#678F9F#678F9F
HEX#678F9F
RGBrgb(103, 143, 159)
RGB (0–1)0.4039, 0.5608, 0.6235
RGB percentages40.4%, 56.1%, 62.4%
HSLhsl(197.1, 22.6%, 51.4%)
HSV / HSBhsv(197.1, 35.2%, 62.4%)
CMYK35.2%, 10.1%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,786,975
CSS custom property--colour: #678F9F;

Brightness & contrast

Relative luminance0.25032WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.01:1
Contrast with white3.5:1WCAG normal text: Fail
Contrast with black6.01:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#987060

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#868DA0no red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#7E869Fno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#539494no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.5:1WCAG large text: AA
Contrast with black, large text6.01:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 7.7Slate grey · ΔE 8.9Cadetblue · ΔE 12.1Gray · ΔE 16.5Dark grey · ΔE 20.1Dim grey · ΔE 20.5
Nearest named CSS colourLight slate grey (#778899)ΔE 7.7, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F7767
Analogous#679F93, #67739F
Triadic#9F678F, #8F9F67
Split complementary#9F6773, #9F9367
Tetradic#93679F, #9F7767, #739F67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4EBEE
Lighter +30%#C5D4DA
Lighter +20%#A6BDC6
Lighter +10%#86A6B3
Darker −10%#527481
Darker −20%#3E5862
Darker −30%#2A3C43
Darker −40%#162024
More saturated +25%#489CBE
Less saturated −25%#838383

Channel breakdown

R103
G143
B159
Red103 (40.4%)
Green143 (56.1%)
Blue159 (62.4%)
Hue197.14°
Saturation (HSL)22.58%
Lightness51.37%
Dominant channelBlue
Hex per channelR 67 · G 8F · B 9F

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Every value on this page was computed from “678f9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.