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Recognised as Colour

#353F5D

  • #353F5D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#353F5D is a blue with RGB values 53, 63, 93 and HSL 225°, 27%, 29%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#353F5D#353F5D
HEX#353F5D
RGBrgb(53, 63, 93)
RGB (0–1)0.2078, 0.2471, 0.3647
RGB percentages20.8%, 24.7%, 36.5%
HSLhsl(225, 27.4%, 28.6%)
HSV / HSBhsv(225, 43%, 36.5%)
CMYK43%, 32.3%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,489,629
CSS custom property--colour: #353F5D;

Brightness & contrast

Relative luminance0.05102WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.39:1
Contrast with white10.39:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#CAC0A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#35425Eno red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#313E5Cno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#28454Ano blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.39:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.9Dim grey · ΔE 26.3Slate grey · ΔE 28Steel blue · ΔE 29.9Light slate grey · ΔE 30.8Dark slateblue · ΔE 31.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D5335
Analogous#35535D, #3F355D
Triadic#5D353F, #3F5D35
Split complementary#5D3F35, #535D35
Tetradic#5D3553, #5D5335, #355D3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99A4C5
Lighter +30%#7987B2
Lighter +20%#5A6B9E
Lighter +10%#48557D
Darker −10%#22293D
Darker −20%#10131C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#23366F
Less saturated −25%#47484B

Channel breakdown

R53
G63
B93
Red53 (20.8%)
Green63 (24.7%)
Blue93 (36.5%)
Hue225°
Saturation (HSL)27.4%
Lightness28.63%
Dominant channelBlue
Hex per channelR 35 · G 3F · B 5D

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Every value on this page was computed from “353f5d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.