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Recognised as Colour

#688D94

  • #688D94
  • Cyan
  • Dark
  • Nearest: Light slate grey

#688D94 is a cyan with RGB values 104, 141, 148 and HSL 190°, 17%, 49%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#688D94#688D94
HEX#688D94
RGBrgb(104, 141, 148)
RGB (0–1)0.4078, 0.5529, 0.5804
RGB percentages40.8%, 55.3%, 58%
HSLhsl(189.5, 17.5%, 49.4%)
HSV / HSBhsv(189.5, 29.7%, 58%)
CMYK29.7%, 4.7%, 0%, 42%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,851,988
CSS custom property--colour: #688D94;

Brightness & contrast

Relative luminance0.24131WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.83:1
Contrast with white3.6:1WCAG normal text: Fail
Contrast with black5.83:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#97726B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#878A94no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#7F8494no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#59908Fno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.6:1WCAG large text: AA
Contrast with black, large text5.83:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 9.4Slate grey · ΔE 9.9Cadetblue · ΔE 9.9Gray · ΔE 13.8Dim grey · ΔE 18Dark grey · ΔE 18.8
Nearest named CSS colourLight slate grey (#778899)ΔE 9.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#946F68
Analogous#689485, #687794
Triadic#94688D, #8D9468
Split complementary#946877, #948568
Tetradic#856894, #946F68, #779468

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFE7E9
Lighter +30%#C1D1D4
Lighter +20%#A3BABF
Lighter +10%#85A4AA
Darker −10%#537076
Darker −20%#3E5458
Darker −30%#29373A
Darker −40%#141B1C
More saturated +25%#49A2B4
Less saturated −25%#7E7E7E

Channel breakdown

R104
G141
B148
Red104 (40.8%)
Green141 (55.3%)
Blue148 (58%)
Hue189.55°
Saturation (HSL)17.46%
Lightness49.41%
Dominant channelBlue
Hex per channelR 68 · G 8D · B 94

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Every value on this page was computed from “688d94” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.