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Recognised as Colour

#3550DC

  • #3550DC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3550DC is a blue with RGB values 53, 80, 220 and HSL 230°, 70%, 54%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3550DC#3550DC
HEX#3550DC
RGBrgb(53, 80, 220)
RGB (0–1)0.2078, 0.3137, 0.8627
RGB percentages20.8%, 31.4%, 86.3%
HSLhsl(230.3, 70.5%, 53.5%)
HSV / HSBhsv(230.3, 75.9%, 86.3%)
CMYK75.9%, 63.6%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,494,108
CSS custom property--colour: #3550DC;

Brightness & contrast

Relative luminance0.11662WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.3:1
Contrast with white6.3:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#CAAF23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068E0no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#0058D9no green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#00758Fno blue cones; rare, and affects men and women equally; ΔE 77.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.3:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.6Royal blue · ΔE 17Slate blue · ΔE 17.2Medium purple · ΔE 28Rebecca purple · ΔE 28.4Dark blue · ΔE 28.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCC135
Analogous#35A4DC, #6D35DC
Triadic#DC3550, #50DC35
Split complementary#DC6D35, #A4DC35
Tetradic#DC35A3, #DCC135, #35DC6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3E7FA
Lighter +30%#B7C1F3
Lighter +20%#8C9BEB
Lighter +10%#6076E4
Darker −10%#213ABD
Darker −20%#192D92
Darker −30%#121F66
Darker −40%#0A123B
More saturated +25%#173CFA
Less saturated −25%#5364BE

Channel breakdown

R53
G80
B220
Red53 (20.8%)
Green80 (31.4%)
Blue220 (86.3%)
Hue230.3°
Saturation (HSL)70.46%
Lightness53.53%
Dominant channelBlue
Hex per channelR 35 · G 50 · B DC

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Every value on this page was computed from “3550dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.