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Recognised as Colour

#405EBF

  • #405EBF
  • Blue
  • Dark
  • Nearest: Royal blue

#405EBF is a blue with RGB values 64, 94, 191 and HSL 226°, 50%, 50%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#405EBF#405EBF
HEX#405EBF
RGBrgb(64, 94, 191)
RGB (0–1)0.251, 0.3686, 0.749
RGB percentages25.1%, 36.9%, 74.9%
HSLhsl(225.8, 49.8%, 50%)
HSV / HSBhsv(225.8, 66.5%, 74.9%)
CMYK66.5%, 50.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,218,559
CSS custom property--colour: #405EBF;

Brightness & contrast

Relative luminance0.12857WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.88:1
Contrast with white5.88:1WCAG normal text: AA
Contrast with black3.57:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#BFA140

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#256AC2no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#005FBDno green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#007585no blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.88:1WCAG large text: AAA
Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Royal blue · ΔE 13.3Slate blue · ΔE 15.7Dark slateblue · ΔE 17.7Medium purple · ΔE 20.6Dodgerblue · ΔE 22Cornflower blue · ΔE 23.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFA140
Analogous#409DBF, #6240BF
Triadic#BF405E, #5EBF40
Split complementary#BF6240, #9DBF40
Tetradic#BF409D, #BFA140, #40BF62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9DFF2
Lighter +30%#B3BFE5
Lighter +20%#8C9ED9
Lighter +10%#667ECC
Darker −10%#334B99
Darker −20%#263873
Darker −30%#1A264C
Darker −40%#0D1326
More saturated +25%#204DDF
Less saturated −25%#606F9F

Channel breakdown

R64
G94
B191
Red64 (25.1%)
Green94 (36.9%)
Blue191 (74.9%)
Hue225.83°
Saturation (HSL)49.8%
Lightness50%
Dominant channelBlue
Hex per channelR 40 · G 5E · B BF

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Every value on this page was computed from “405ebf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.