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Recognised as Colour

#6C63C4

  • #6C63C4
  • Blue
  • Dark
  • Nearest: Slate blue

#6C63C4 is a blue with RGB values 108, 99, 196 and HSL 246°, 45%, 58%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6C63C4#6C63C4
HEX#6C63C4
RGBrgb(108, 99, 196)
RGB (0–1)0.4235, 0.3882, 0.7686
RGB percentages42.4%, 38.8%, 76.9%
HSLhsl(245.6, 45.1%, 57.8%)
HSV / HSBhsv(245.6, 49.5%, 76.9%)
CMYK44.9%, 49.5%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,103,428
CSS custom property--colour: #6C63C4;

Brightness & contrast

Relative luminance0.16097WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#939C3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3973C7no red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#366DC2no green cones; the most common form, about 1% of men; ΔE 17.5 from the original
Tritanopia#50778Ano blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Slate blue · ΔE 11.2Medium purple · ΔE 11.5Royal blue · ΔE 15.7Dark slateblue · ΔE 18.1Rebecca purple · ΔE 20.5Medium slateblue · ΔE 20.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBC463
Analogous#638BC4, #9C63C4
Triadic#C46C63, #63C46C
Split complementary#C49C63, #8BC463
Tetradic#C4638B, #BBC463, #63C49C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F7FC
Lighter +30%#D5D2EE
Lighter +20%#B2ADE0
Lighter +10%#8F88D2
Darker −10%#4D43B1
Darker −20%#3D358C
Darker −30%#2D2767
Darker −40%#1D1942
More saturated +25%#5648DF
Less saturated −25%#827EA9

Channel breakdown

R108
G99
B196
Red108 (42.4%)
Green99 (38.8%)
Blue196 (76.9%)
Hue245.57°
Saturation (HSL)45.12%
Lightness57.84%
Dominant channelBlue
Hex per channelR 6C · G 63 · B C4

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Every value on this page was computed from “6c63c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.