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Colour

#6568CD

  • #6568CD
  • Blue
  • Dark
  • Nearest: Slate blue

#6568CD is a blue with RGB values 101, 104, 205 and HSL 238°, 51%, 60%. 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

#6568CD#6568CD
HEX#6568CD
RGBrgb(101, 104, 205)
RGB (0–1)0.3961, 0.4078, 0.8039
RGB percentages39.6%, 40.8%, 80.4%
HSLhsl(238.3, 51%, 60%)
HSV / HSBhsv(238.3, 50.7%, 80.4%)
CMYK50.7%, 49.3%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,645,965
CSS custom property--colour: #6568CD;

Brightness & contrast

Relative luminance0.17075WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.42:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#9A9732

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3977D1no red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#2E6FCBno green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#3B7E91no blue cones; rare, and affects men and women equally; ΔE 55.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.76:1WCAG large text: AAA
Contrast with black, large text4.42:1WCAG large text: AA

Named colours

Slate blue · ΔE 11.1Royal blue · ΔE 12.3Medium purple · ΔE 12.6Medium slateblue · ΔE 19.6Dark slateblue · ΔE 20.6Cornflower blue · ΔE 22.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDCA65
Analogous#659CCD, #9665CD
Triadic#CD6568, #68CD65
Split complementary#CD9665, #9CCD65
Tetradic#CD659C, #CDCA65, #65CD96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9D9F3
Lighter +20%#B2B4E6
Lighter +10%#8B8EDA
Darker −10%#3E42C1
Darker −20%#32359A
Darker −30%#252874
Darker −40%#191B4D
More saturated +25%#4B50E7
Less saturated −25%#7E80B4

Channel breakdown

R101
G104
B205
Red101 (39.6%)
Green104 (40.8%)
Blue205 (80.4%)
Hue238.27°
Saturation (HSL)50.98%
Lightness60%
Dominant channelBlue
Hex per channelR 65 · G 68 · B CD

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Every value on this page was computed from “6568cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.