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Recognised as Colour

#353FCC

  • #353FCC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#353FCC is a blue with RGB values 53, 63, 204 and HSL 236°, 60%, 50%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#353FCC#353FCC
HEX#353FCC
RGBrgb(53, 63, 204)
RGB (0–1)0.2078, 0.2471, 0.8
RGB percentages20.8%, 24.7%, 80%
HSLhsl(236, 59.7%, 50.4%)
HSV / HSBhsv(236, 74%, 80%)
CMYK74%, 69.1%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,489,740
CSS custom property--colour: #353FCC;

Brightness & contrast

Relative luminance0.08672WCAG 2.x, 0 is black and 1 is white
Perceived brightness89 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#CAC033

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005AD0no red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#004CC9no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#006681no blue cones; rare, and affects men and women equally; ΔE 78 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 18.9Slate blue · ΔE 20.2Dark blue · ΔE 22.2Royal blue · ΔE 23Navy · ΔE 24.4Indigo · ΔE 26.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCC235
Analogous#358ACC, #7735CC
Triadic#CC353F, #3FCC35
Split complementary#CC7635, #8BCC35
Tetradic#CC358A, #CCC235, #35CC77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8DAF5
Lighter +30%#AFB3EB
Lighter +20%#868CE1
Lighter +10%#5E66D6
Darker −10%#2A32A4
Darker −20%#1F257C
Darker −30%#151953
Darker −40%#0B0D2A
More saturated +25%#1524EC
Less saturated −25%#555AAC

Channel breakdown

R53
G63
B204
Red53 (20.8%)
Green63 (24.7%)
Blue204 (80%)
Hue236.03°
Saturation (HSL)59.68%
Lightness50.39%
Dominant channelBlue
Hex per channelR 35 · G 3F · B CC

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