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Colour

#3F9AFF

  • #3F9AFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3F9AFF is a blue with RGB values 63, 154, 255 and HSL 212°, 100%, 62%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3F9AFF#3F9AFF
HEX#3F9AFF
RGBrgb(63, 154, 255)
RGB (0–1)0.2471, 0.6039, 1
RGB percentages24.7%, 60.4%, 100%
HSLhsl(211.6, 100%, 62.4%)
HSV / HSBhsv(211.6, 75.3%, 100%)
CMYK75.3%, 39.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,168,447
CSS custom property--colour: #3F9AFF;

Brightness & contrast

Relative luminance0.31388WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.28:1
Contrast with white2.89:1WCAG normal text: Fail
Contrast with black7.28:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#C06500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6AA2FFno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#4A90FDno green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#00B2C0no blue cones; rare, and affects men and women equally; ΔE 56 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.89:1WCAG large text: Fail
Contrast with black, large text7.28:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.3Cornflower blue · ΔE 9Royal blue · ΔE 25.7Steel blue · ΔE 29.7Deep skyblue · ΔE 30.4Medium purple · ΔE 32
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.28, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA43F
Analogous#3FFAFF, #443FFF
Triadic#FF3F9A, #9AFF3F
Split complementary#FF443F, #FAFF3F
Tetradic#FF3FFA, #FFA43F, #3FFF44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8EAFF
Lighter +20%#A5D0FF
Lighter +10%#72B5FF
Darker −10%#0C7FFF
Darker −20%#0066D8
Darker −30%#004EA5
Darker −40%#003672
More saturated +25%#3F9AFF
Less saturated −25%#579BE7

Channel breakdown

R63
G154
B255
Red63 (24.7%)
Green154 (60.4%)
Blue255 (100%)
Hue211.56°
Saturation (HSL)100%
Lightness62.35%
Dominant channelBlue
Hex per channelR 3F · G 9A · B FF

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Every value on this page was computed from “3f9aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.