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Colour

#409BFF

  • #409BFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#409BFF is a blue with RGB values 64, 155, 255 and HSL 211°, 100%, 63%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#409BFF#409BFF
HEX#409BFF
RGBrgb(64, 155, 255)
RGB (0–1)0.251, 0.6078, 1
RGB percentages25.1%, 60.8%, 100%
HSLhsl(211.4, 100%, 62.5%)
HSV / HSBhsv(211.4, 74.9%, 100%)
CMYK74.9%, 39.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,234,239
CSS custom property--colour: #409BFF;

Brightness & contrast

Relative luminance0.31753WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.35:1
Contrast with white2.86:1WCAG normal text: Fail
Contrast with black7.35:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#BF6400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6BA2FFno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#4C91FDno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#00B3C1no blue cones; rare, and affects men and women equally; ΔE 55.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.86:1WCAG large text: Fail
Contrast with black, large text7.35:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8Cornflower blue · ΔE 8.7Royal blue · ΔE 26.4Steel blue · ΔE 29.2Deep skyblue · ΔE 29.7Medium purple · ΔE 32.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.01, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA440
Analogous#40FBFF, #4440FF
Triadic#FF409B, #9BFF40
Split complementary#FF4440, #FBFF40
Tetradic#FF40FB, #FFA440, #40FF44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9EBFF
Lighter +20%#A6D0FF
Lighter +10%#73B6FF
Darker −10%#0D80FF
Darker −20%#0067D9
Darker −30%#004FA6
Darker −40%#003773
More saturated +25%#409BFF
Less saturated −25%#589CE7

Channel breakdown

R64
G155
B255
Red64 (25.1%)
Green155 (60.8%)
Blue255 (100%)
Hue211.41°
Saturation (HSL)100%
Lightness62.55%
Dominant channelBlue
Hex per channelR 40 · G 9B · B FF

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Every value on this page was computed from “409bff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.