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Recognised as Colour

#689BA9

  • #689BA9
  • Cyan
  • Dark
  • Nearest: Cadetblue

#689BA9 is a cyan with RGB values 104, 155, 169 and HSL 193°, 27%, 54%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#689BA9#689BA9
HEX#689BA9
RGBrgb(104, 155, 169)
RGB (0–1)0.4078, 0.6078, 0.6627
RGB percentages40.8%, 60.8%, 66.3%
HSLhsl(192.9, 27.4%, 53.5%)
HSV / HSBhsv(192.9, 38.5%, 66.3%)
CMYK38.5%, 8.3%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,855,593
CSS custom property--colour: #689BA9;

Brightness & contrast

Relative luminance0.2925WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.85:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.85:1WCAG normal text: AA
Greyscale equivalent#919191
Inverted#976456

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9198AAno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#8790A9no green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#4FA09Fno blue cones; rare, and affects men and women equally; ΔE 12.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 8.3Light slate grey · ΔE 12.3Slate grey · ΔE 14Dark cyan · ΔE 19.8Gray · ΔE 19.8Dark grey · ΔE 20.1
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 8.27, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A97668
Analogous#68A996, #687BA9
Triadic#A9689B, #9BA968
Split complementary#A9687A, #A99668
Tetradic#9768A9, #A97668, #7BA968

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF1F3
Lighter +30%#C9DCE1
Lighter +20%#A9C6CE
Lighter +10%#88B1BC
Darker −10%#51808D
Darker −20%#3E636D
Darker −30%#2C454C
Darker −40%#19282C
More saturated +25%#4AACC7
Less saturated −25%#868A8B

Channel breakdown

R104
G155
B169
Red104 (40.8%)
Green155 (60.8%)
Blue169 (66.3%)
Hue192.92°
Saturation (HSL)27.43%
Lightness53.53%
Dominant channelBlue
Hex per channelR 68 · G 9B · B A9

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Every value on this page was computed from “689ba9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.