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Colour

#6C81FF

  • #6C81FF
  • Blue
  • Dark
  • Nearest: Royal blue

#6C81FF is a blue with RGB values 108, 129, 255 and HSL 231°, 100%, 71%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#6C81FF#6C81FF
HEX#6C81FF
RGBrgb(108, 129, 255)
RGB (0–1)0.4235, 0.5059, 1
RGB percentages42.4%, 50.6%, 100%
HSLhsl(231.4, 100%, 71.2%)
HSV / HSBhsv(231.4, 57.6%, 100%)
CMYK57.6%, 49.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,111,167
CSS custom property--colour: #6C81FF;

Brightness & contrast

Relative luminance0.26109WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.22:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.22:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#937E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F92FFno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#2286FCno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#009EB4no blue cones; rare, and affects men and women equally; ΔE 70.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.6Medium slateblue · ΔE 13.9Slate blue · ΔE 16.6Medium purple · ΔE 17.5Dodgerblue · ΔE 18.7Cornflower blue · ΔE 25.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFEA6C
Analogous#6CCAFF, #A16CFF
Triadic#FF6C81, #81FF6C
Split complementary#FFA16C, #CAFF6C
Tetradic#FF6CCA, #FFEA6C, #6CFFA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D2D8FF
Lighter +10%#9FADFF
Darker −10%#3955FF
Darker −20%#062AFF
Darker −30%#001ED2
Darker −40%#00179F
More saturated +25%#6C81FF
Less saturated −25%#7E8EED

Channel breakdown

R108
G129
B255
Red108 (42.4%)
Green129 (50.6%)
Blue255 (100%)
Hue231.43°
Saturation (HSL)100%
Lightness71.18%
Dominant channelBlue
Hex per channelR 6C · G 81 · B FF

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Every value on this page was computed from “6c81ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.