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Recognised as Colour

#355D74

  • #355D74
  • Blue
  • Dark
  • Nearest: Dark slate grey

#355D74 is a blue with RGB values 53, 93, 116 and HSL 202°, 37%, 33%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#355D74#355D74
HEX#355D74
RGBrgb(53, 93, 116)
RGB (0–1)0.2078, 0.3647, 0.4549
RGB percentages20.8%, 36.5%, 45.5%
HSLhsl(201.9, 37.3%, 33.1%)
HSV / HSBhsv(201.9, 54.3%, 45.5%)
CMYK54.3%, 19.8%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,497,332
CSS custom property--colour: #355D74;

Brightness & contrast

Relative luminance0.09847WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.07:1
Contrast with white7.07:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#CAA28B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525C75no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#495574no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#106365no blue cones; rare, and affects men and women equally; ΔE 17.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.07:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.7Slate grey · ΔE 17.4Dim grey · ΔE 19.9Light slate grey · ΔE 20Steel blue · ΔE 21.2Gray · ΔE 24.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#744C35
Analogous#35746C, #353D74
Triadic#74355D, #5D7435
Split complementary#74353D, #746C35
Tetradic#6C3574, #744C35, #3D7435

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1C1D4
Lighter +30%#7EAAC4
Lighter +20%#5B94B4
Lighter +10%#457997
Darker −10%#254151
Darker −20%#15252E
Darker −30%#05090B
Darker −40%#000000
More saturated +25%#206389
Less saturated −25%#4A575F

Channel breakdown

R53
G93
B116
Red53 (20.8%)
Green93 (36.5%)
Blue116 (45.5%)
Hue201.9°
Saturation (HSL)37.28%
Lightness33.14%
Dominant channelBlue
Hex per channelR 35 · G 5D · B 74

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Every value on this page was computed from “355d74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.