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Colour

#358FB8

  • #358FB8
  • Cyan
  • Dark
  • Nearest: Steel blue

#358FB8 is a cyan with RGB values 53, 143, 184 and HSL 199°, 55%, 46%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#358FB8#358FB8
HEX#358FB8
RGBrgb(53, 143, 184)
RGB (0–1)0.2078, 0.5608, 0.7216
RGB percentages20.8%, 56.1%, 72.2%
HSLhsl(198.8, 55.3%, 46.5%)
HSV / HSBhsv(198.8, 71.2%, 72.2%)
CMYK71.2%, 22.3%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,510,200
CSS custom property--colour: #358FB8;

Brightness & contrast

Relative luminance0.23862WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.77:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.77:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#CA7047

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B8DBAno red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#6980B7no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#009A9Dno blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.1Light slate grey · ΔE 21Slate grey · ΔE 21.7Deep skyblue · ΔE 21.9Cadetblue · ΔE 23.3Light skyblue · ΔE 23.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.09, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B85E35
Analogous#35B89F, #354EB8
Triadic#B8358F, #8FB835
Split complementary#B8354E, #B89F35
Tetradic#9F35B8, #B85E35, #4EB835

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9E4F0
Lighter +30%#A2CFE4
Lighter +20%#7ABBD9
Lighter +10%#53A7CD
Darker −10%#2A7090
Darker −20%#1E5169
Darker −30%#133341
Darker −40%#07141A
More saturated +25%#179AD6
Less saturated −25%#53849A

Channel breakdown

R53
G143
B184
Red53 (20.8%)
Green143 (56.1%)
Blue184 (72.2%)
Hue198.78°
Saturation (HSL)55.27%
Lightness46.47%
Dominant channelBlue
Hex per channelR 35 · G 8F · B B8

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Every value on this page was computed from “358fb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.