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Colour

#405DF6

  • #405DF6
  • Blue
  • Dark
  • Nearest: Medium slateblue

#405DF6 is a blue with RGB values 64, 93, 246 and HSL 230°, 91%, 61%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#405DF6#405DF6
HEX#405DF6
RGBrgb(64, 93, 246)
RGB (0–1)0.251, 0.3647, 0.9647
RGB percentages25.1%, 36.5%, 96.5%
HSLhsl(230.4, 91%, 60.8%)
HSV / HSBhsv(230.4, 74%, 96.5%)
CMYK74%, 62.2%, 0%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,218,358
CSS custom property--colour: #405DF6;

Brightness & contrast

Relative luminance0.15573WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.1:1
Contrast with white5.1:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#BFA209

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077FBno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#0066F3no green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#0085A1no blue cones; rare, and affects men and women equally; ΔE 83 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.1:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15.1Royal blue · ΔE 20.5Slate blue · ΔE 22.2Blue violet · ΔE 29.5Medium purple · ΔE 30.8Dark orchid · ΔE 31
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 15.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F6D940
Analogous#40B8F6, #7E40F6
Triadic#F6405D, #5DF640
Split complementary#F67E40, #B8F640
Tetradic#F640B8, #F6D940, #40F67E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D2D9FD
Lighter +20%#A1B0FB
Lighter +10%#7186F8
Darker −10%#0F34F4
Darker −20%#0928C7
Darker −30%#071E96
Darker −40%#051465
More saturated +25%#3757FF
Less saturated −25%#596EDD

Channel breakdown

R64
G93
B246
Red64 (25.1%)
Green93 (36.5%)
Blue246 (96.5%)
Hue230.44°
Saturation (HSL)91%
Lightness60.78%
Dominant channelBlue
Hex per channelR 40 · G 5D · B F6

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Every value on this page was computed from “405df6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.