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Colour

#6DA3FF

  • #6DA3FF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6DA3FF is a blue with RGB values 109, 163, 255 and HSL 218°, 100%, 71%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6DA3FF#6DA3FF
HEX#6DA3FF
RGBrgb(109, 163, 255)
RGB (0–1)0.4275, 0.6392, 1
RGB percentages42.7%, 63.9%, 100%
HSLhsl(217.8, 100%, 71.4%)
HSV / HSBhsv(217.8, 57.3%, 100%)
CMYK57.3%, 36.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,185,407
CSS custom property--colour: #6DA3FF;

Brightness & contrast

Relative luminance0.36666WCAG 2.x, 0 is black and 1 is white
Perceived brightness163 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.33:1
Contrast with white2.52:1WCAG normal text: Fail
Contrast with black8.33:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#925C00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7DABFFno red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#6A9DFDno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00B8C5no blue cones; rare, and affects men and women equally; ΔE 53.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.52:1WCAG large text: Fail
Contrast with black, large text8.33:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.4Dodgerblue · ΔE 14.6Steel blue · ΔE 27Deep skyblue · ΔE 28.2Royal blue · ΔE 29.6Medium purple · ΔE 30.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.43, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC96D
Analogous#6DECFF, #806DFF
Triadic#FF6DA3, #A3FF6D
Split complementary#FF806D, #ECFF6D
Tetradic#FF6DEC, #FFC96D, #6DFF80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D3E3FF
Lighter +10%#A0C3FF
Darker −10%#3A83FF
Darker −20%#0763FF
Darker −30%#004ED3
Darker −40%#003BA0
More saturated +25%#6DA3FF
Less saturated −25%#7FA8ED

Channel breakdown

R109
G163
B255
Red109 (42.7%)
Green163 (63.9%)
Blue255 (100%)
Hue217.81°
Saturation (HSL)100%
Lightness71.37%
Dominant channelBlue
Hex per channelR 6D · G A3 · B FF

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Every value on this page was computed from “6da3ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.