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Recognised as Colour

#6397FC

  • #6397FC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6397FC is a blue with RGB values 99, 151, 252 and HSL 220°, 96%, 69%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6397FC#6397FC
HEX#6397FC
RGBrgb(99, 151, 252)
RGB (0–1)0.3882, 0.5922, 0.9882
RGB percentages38.8%, 59.2%, 98.8%
HSLhsl(219.6, 96.2%, 68.8%)
HSV / HSBhsv(219.6, 60.7%, 98.8%)
CMYK60.7%, 40.1%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,526,972
CSS custom property--colour: #6397FC;

Brightness & contrast

Relative luminance0.31814WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.36:1
Contrast with white2.85:1WCAG normal text: Fail
Contrast with black7.36:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#9C6803

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6AA1FFno red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#5592FAno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00AEBDno blue cones; rare, and affects men and women equally; ΔE 57.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.85:1WCAG large text: Fail
Contrast with black, large text7.36:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.3Dodgerblue · ΔE 9.2Royal blue · ΔE 22.6Medium purple · ΔE 25.9Slate blue · ΔE 29.4Steel blue · ΔE 30.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCC863
Analogous#63E3FC, #7C63FC
Triadic#FC6397, #97FC63
Split complementary#FC7C63, #E3FC63
Tetradic#FC63E3, #FCC863, #63FC7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F9FBFF
Lighter +20%#C7DAFE
Lighter +10%#95B8FD
Darker −10%#3176FB
Darker −20%#0556F4
Darker −30%#0444C2
Darker −40%#033390
More saturated +25%#6096FF
Less saturated −25%#779DE8

Channel breakdown

R99
G151
B252
Red99 (38.8%)
Green151 (59.2%)
Blue252 (98.8%)
Hue219.61°
Saturation (HSL)96.23%
Lightness68.82%
Dominant channelBlue
Hex per channelR 63 · G 97 · B FC

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Every value on this page was computed from “6397fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.