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Recognised as Colour

#3558FF

  • #3558FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3558FF is a blue with RGB values 53, 88, 255 and HSL 230°, 100%, 60%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3558FF#3558FF
HEX#3558FF
RGBrgb(53, 88, 255)
RGB (0–1)0.2078, 0.3451, 1
RGB percentages20.8%, 34.5%, 100%
HSLhsl(229.6, 100%, 60.4%)
HSV / HSBhsv(229.6, 79.2%, 100%)
CMYK79.2%, 65.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,496,191
CSS custom property--colour: #3558FF;

Brightness & contrast

Relative luminance0.14956WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#CAA700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0076FFno red cones; affects about 1% of men; ΔE 24.5 from the original
Deuteranopia#0062FCno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#0085A4no blue cones; rare, and affects men and women equally; ΔE 89.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 22Blue violet · ΔE 26.3Royal blue · ΔE 28.7Slate blue · ΔE 29.8Medium blue · ΔE 30Dark orchid · ΔE 32
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDC35
Analogous#35BDFF, #7735FF
Triadic#FF3558, #58FF35
Split complementary#FF7735, #BDFF35
Tetradic#FF35BD, #FFDC35, #35FF77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#CED6FF
Lighter +20%#9BACFF
Lighter +10%#6882FF
Darker −10%#022EFF
Darker −20%#0024CE
Darker −30%#001B9B
Darker −40%#001268
More saturated +25%#3558FF
Less saturated −25%#4E68E6

Channel breakdown

R53
G88
B255
Red53 (20.8%)
Green88 (34.5%)
Blue255 (100%)
Hue229.6°
Saturation (HSL)100%
Lightness60.39%
Dominant channelBlue
Hex per channelR 35 · G 58 · B FF

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Every value on this page was computed from “3558ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.