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Recognised as Colour

#658B88

  • #658B88
  • Cyan
  • Dark
  • Nearest: Cadetblue

#658B88 is a cyan with RGB values 101, 139, 136 and HSL 175°, 16%, 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

#658B88#658B88
HEX#658B88
RGBrgb(101, 139, 136)
RGB (0–1)0.3961, 0.5451, 0.5333
RGB percentages39.6%, 54.5%, 53.3%
HSLhsl(175.3, 15.8%, 47.1%)
HSV / HSBhsv(175.3, 27.3%, 54.5%)
CMYK27.3%, 0%, 2.2%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,654,856
CSS custom property--colour: #658B88;

Brightness & contrast

Relative luminance0.2301WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.6:1
Contrast with white3.75:1WCAG normal text: Fail
Contrast with black5.6:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#9A7477

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#878788no red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#7F8288no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#598D8Ano blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.75:1WCAG large text: AA
Contrast with black, large text5.6:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.7Gray · ΔE 14.2Slate grey · ΔE 14.3Light slate grey · ΔE 14.3Teal · ΔE 17.5Dim grey · ΔE 17.7
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.69, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6568
Analogous#658B75, #657B8B
Triadic#88658B, #8B8865
Split complementary#8B657B, #8B7565
Tetradic#75658B, #8B6568, #7B8B65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E3E2
Lighter +30%#BBCECC
Lighter +20%#9EB8B6
Lighter +10%#80A3A0
Darker −10%#506D6B
Darker −20%#3A504E
Darker −30%#253231
Darker −40%#0F1514
More saturated +25%#47A9A1
Less saturated −25%#787878

Channel breakdown

R101
G139
B136
Red101 (39.6%)
Green139 (54.5%)
Blue136 (53.3%)
Hue175.26°
Saturation (HSL)15.83%
Lightness47.06%
Dominant channelGreen
Hex per channelR 65 · G 8B · B 88

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Every value on this page was computed from “658b88” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.