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Recognised as Colour

#688A84

  • #688A84
  • Cyan
  • Dark
  • Nearest: Cadetblue

#688A84 is a cyan with RGB values 104, 138, 132 and HSL 169°, 14%, 47%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#688A84#688A84
HEX#688A84
RGBrgb(104, 138, 132)
RGB (0–1)0.4078, 0.5412, 0.5176
RGB percentages40.8%, 54.1%, 51.8%
HSLhsl(169.4, 14%, 47.5%)
HSV / HSBhsv(169.4, 24.6%, 54.1%)
CMYK24.6%, 0%, 4.3%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,851,204
CSS custom property--colour: #688A84;

Brightness & contrast

Relative luminance0.22786WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#97757B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#878684no red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#808185no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#5E8B88no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11.3Gray · ΔE 13.3Slate grey · ΔE 15Light slate grey · ΔE 15.2Dim grey · ΔE 16.9Teal · ΔE 18.7
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A686E
Analogous#688A73, #687F8A
Triadic#84688A, #8A8468
Split complementary#8A687F, #8A7368
Tetradic#73688A, #8A686E, #7F8A68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBE3E2
Lighter +30%#BDCECB
Lighter +20%#A0B8B4
Lighter +10%#83A29C
Darker −10%#526D68
Darker −20%#3C504C
Darker −30%#263331
Darker −40%#101615
More saturated +25%#4AA898
Less saturated −25%#797979

Channel breakdown

R104
G138
B132
Red104 (40.8%)
Green138 (54.1%)
Blue132 (51.8%)
Hue169.41°
Saturation (HSL)14.05%
Lightness47.45%
Dominant channelGreen
Hex per channelR 68 · G 8A · B 84

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Every value on this page was computed from “688a84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.