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Recognised as Colour

#6C81FB

  • #6C81FB
  • Blue
  • Dark
  • Nearest: Royal blue

#6C81FB is a blue with RGB values 108, 129, 251 and HSL 231°, 95%, 70%. 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

#6C81FB#6C81FB
HEX#6C81FB
RGBrgb(108, 129, 251)
RGB (0–1)0.4235, 0.5059, 0.9843
RGB percentages42.4%, 50.6%, 98.4%
HSLhsl(231.2, 94.7%, 70.4%)
HSV / HSBhsv(231.2, 57%, 98.4%)
CMYK57%, 48.6%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,111,163
CSS custom property--colour: #6C81FB;

Brightness & contrast

Relative luminance0.25854WCAG 2.x, 0 is black and 1 is white
Perceived brightness143 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.17:1
Contrast with white3.4:1WCAG normal text: Fail
Contrast with black6.17:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#937E04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4392FFno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#2B85F8no green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#009DB2no blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.4:1WCAG large text: AA
Contrast with black, large text6.17:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.3Medium slateblue · ΔE 15.1Slate blue · ΔE 16.3Medium purple · ΔE 16.6Dodgerblue · ΔE 17.4Cornflower blue · ΔE 23.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBE66C
Analogous#6CC8FB, #9F6CFB
Triadic#FB6C81, #81FB6C
Split complementary#FB9F6C, #C8FB6C
Tetradic#FB6CC8, #FBE66C, #6CFB9F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CFD6FE
Lighter +10%#9EACFC
Darker −10%#3A56FA
Darker −20%#092CF8
Darker −30%#0522C9
Darker −40%#041A97
More saturated +25%#687EFF
Less saturated −25%#7F8EE8

Channel breakdown

R108
G129
B251
Red108 (42.4%)
Green129 (50.6%)
Blue251 (98.4%)
Hue231.19°
Saturation (HSL)94.7%
Lightness70.39%
Dominant channelBlue
Hex per channelR 6C · G 81 · B FB

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Every value on this page was computed from “6c81fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.