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Recognised as Colour

#64B0FD

  • #64B0FD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#64B0FD is a blue with RGB values 100, 176, 253 and HSL 210°, 97%, 69%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#64B0FD#64B0FD
HEX#64B0FD
RGBrgb(100, 176, 253)
RGB (0–1)0.3922, 0.6902, 0.9922
RGB percentages39.2%, 69%, 99.2%
HSLhsl(210.2, 97.5%, 69.2%)
HSV / HSBhsv(210.2, 60.5%, 99.2%)
CMYK60.5%, 30.4%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,598,909
CSS custom property--colour: #64B0FD;

Brightness & contrast

Relative luminance0.40852WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.17:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.17:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#9B4F02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8FB3FFno red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#7BA5FBno green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#00C2CBno blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.17:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.8Deep skyblue · ΔE 17Light skyblue · ΔE 21.6Steel blue · ΔE 22.1Dodgerblue · ΔE 23.8Sky blue · ΔE 29.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDB164
Analogous#64FCFD, #6564FD
Triadic#FD64B0, #B0FD64
Split complementary#FD6464, #FDFD64
Tetradic#FD64FC, #FDB164, #64FD64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFDFF
Lighter +20%#C9E3FE
Lighter +10%#96CAFE
Darker −10%#3296FC
Darker −20%#037DF8
Darker −30%#0363C5
Darker −40%#024A93
More saturated +25%#62B0FF
Less saturated −25%#78B0E9

Channel breakdown

R100
G176
B253
Red100 (39.2%)
Green176 (69%)
Blue253 (99.2%)
Hue210.2°
Saturation (HSL)97.45%
Lightness69.22%
Dominant channelBlue
Hex per channelR 64 · G B0 · B FD

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Every value on this page was computed from “64b0fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.