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Colour

#6363DF

  • #6363DF
  • Blue
  • Dark
  • Nearest: Slate blue

#6363DF is a blue with RGB values 99, 99, 223 and HSL 240°, 66%, 63%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6363DF#6363DF
HEX#6363DF
RGBrgb(99, 99, 223)
RGB (0–1)0.3882, 0.3882, 0.8745
RGB percentages38.8%, 38.8%, 87.5%
HSLhsl(240, 66%, 63.1%)
HSV / HSBhsv(240, 55.6%, 87.5%)
CMYK55.6%, 55.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,513,631
CSS custom property--colour: #6363DF;

Brightness & contrast

Relative luminance0.16904WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.79:1
Contrast with white4.79:1WCAG normal text: AA
Contrast with black4.38:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#9C9C20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077E3no red cones; affects about 1% of men; ΔE 21.4 from the original
Deuteranopia#006DDCno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#218097no blue cones; rare, and affects men and women equally; ΔE 68.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.79:1WCAG large text: AAA
Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Slate blue · ΔE 6.5Medium slateblue · ΔE 7.7Royal blue · ΔE 8.7Medium purple · ΔE 15.2Rebecca purple · ΔE 23.8Dodgerblue · ΔE 27.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 6.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFDF63
Analogous#63A1DF, #A163DF
Triadic#DF6363, #63DF63
Split complementary#DFA163, #A1DF63
Tetradic#DF63A1, #DFDF63, #63DFA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E2E2F9
Lighter +20%#B8B8F0
Lighter +10%#8D8DE8
Darker −10%#3939D6
Darker −20%#2525B7
Darker −30%#1D1D8C
Darker −40%#141462
More saturated +25%#4B4BF7
Less saturated −25%#7A7AC8

Channel breakdown

R99
G99
B223
Red99 (38.8%)
Green99 (38.8%)
Blue223 (87.5%)
Hue240°
Saturation (HSL)65.96%
Lightness63.14%
Dominant channelBlue
Hex per channelR 63 · G 63 · B DF

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Every value on this page was computed from “6363df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.