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Recognised as Colour

#355FEB

  • #355FEB
  • Blue
  • Dark
  • Nearest: Royal blue

#355FEB is a blue with RGB values 53, 95, 235 and HSL 226°, 82%, 56%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#355FEB#355FEB
HEX#355FEB
RGBrgb(53, 95, 235)
RGB (0–1)0.2078, 0.3725, 0.9216
RGB percentages20.8%, 37.3%, 92.2%
HSLhsl(226.2, 82%, 56.5%)
HSV / HSBhsv(226.2, 77.4%, 92.2%)
CMYK77.4%, 59.6%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,497,963
CSS custom property--colour: #355FEB;

Brightness & contrast

Relative luminance0.14939WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.27:1
Contrast with white5.27:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#CAA014

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075F0no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#0064E8no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#00839Cno blue cones; rare, and affects men and women equally; ΔE 76.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.27:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Royal blue · ΔE 12.9Medium slateblue · ΔE 13Slate blue · ΔE 16.9Medium purple · ΔE 26.4Dodgerblue · ΔE 30.6Rebecca purple · ΔE 31.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBC135
Analogous#35BAEB, #6635EB
Triadic#EB355F, #5FEB35
Split complementary#EB6635, #BAEB35
Tetradic#EB35BA, #EBC135, #35EB66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF2FD
Lighter +30%#C0CDF9
Lighter +20%#92A9F4
Lighter +10%#6384F0
Darker −10%#1542D8
Darker −20%#1134A9
Darker −30%#0C267B
Darker −40%#08174C
More saturated +25%#2154FF
Less saturated −25%#516ECF

Channel breakdown

R53
G95
B235
Red53 (20.8%)
Green95 (37.3%)
Blue235 (92.2%)
Hue226.15°
Saturation (HSL)81.98%
Lightness56.47%
Dominant channelBlue
Hex per channelR 35 · G 5F · B EB

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