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Colour

#3646C3

  • #3646C3
  • Blue
  • Dark
  • Nearest: Slate blue

#3646C3 is a blue with RGB values 54, 70, 195 and HSL 233°, 57%, 49%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3646C3#3646C3
HEX#3646C3
RGBrgb(54, 70, 195)
RGB (0–1)0.2118, 0.2745, 0.7647
RGB percentages21.2%, 27.5%, 76.5%
HSLhsl(233.2, 56.6%, 48.8%)
HSV / HSBhsv(233.2, 72.3%, 76.5%)
CMYK72.3%, 64.1%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,557,059
CSS custom property--colour: #3646C3;

Brightness & contrast

Relative luminance0.09105WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.44:1
Contrast with white7.44:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#C9B93C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CC7no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#004FC1no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#00677Eno blue cones; rare, and affects men and women equally; ΔE 70.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.44:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Slate blue · ΔE 13Royal blue · ΔE 15.5Medium slateblue · ΔE 16.7Rebecca purple · ΔE 21.2Medium purple · ΔE 25.3Dark blue · ΔE 25.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C3B336
Analogous#368DC3, #6C36C3
Triadic#C33646, #46C336
Split complementary#C36C36, #8DC336
Tetradic#C3368D, #C3B336, #36C36C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D6F3
Lighter +30%#AAB1E8
Lighter +20%#828DDD
Lighter +10%#5B68D1
Darker −10%#2B389B
Darker −20%#202973
Darker −30%#151B4B
Darker −40%#0A0D23
More saturated +25%#172EE2
Less saturated −25%#555EA4

Channel breakdown

R54
G70
B195
Red54 (21.2%)
Green70 (27.5%)
Blue195 (76.5%)
Hue233.19°
Saturation (HSL)56.63%
Lightness48.82%
Dominant channelBlue
Hex per channelR 36 · G 46 · B C3

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Every value on this page was computed from “3646c3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.