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Recognised as Colour

#404EA6

  • #404EA6
  • Blue
  • Dark
  • Nearest: Dark slateblue

#404EA6 is a blue with RGB values 64, 78, 166 and HSL 232°, 44%, 45%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#404EA6#404EA6
HEX#404EA6
RGBrgb(64, 78, 166)
RGB (0–1)0.251, 0.3059, 0.651
RGB percentages25.1%, 30.6%, 65.1%
HSLhsl(231.8, 44.3%, 45.1%)
HSV / HSBhsv(231.8, 61.4%, 65.1%)
CMYK61.4%, 53%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,214,438
CSS custom property--colour: #404EA6;

Brightness & contrast

Relative luminance0.09292WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.35:1
Contrast with white7.35:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#BFB159

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#195BA9no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#0052A4no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#006272no blue cones; rare, and affects men and women equally; ΔE 52.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.35:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.9Slate blue · ΔE 18.3Royal blue · ΔE 19.9Rebecca purple · ΔE 20.9Midnight blue · ΔE 22.7Medium purple · ΔE 23.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A69840
Analogous#4081A6, #6540A6
Triadic#A6404E, #4EA640
Split complementary#A66540, #81A640
Tetradic#A64081, #A69840, #40A665

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8CDEA
Lighter +30%#A3ABDC
Lighter +20%#7F89CD
Lighter +10%#5A68BF
Darker −10%#323D81
Darker −20%#242B5C
Darker −30%#151A38
Darker −40%#070913
More saturated +25%#2339C3
Less saturated −25%#5D6389

Channel breakdown

R64
G78
B166
Red64 (25.1%)
Green78 (30.6%)
Blue166 (65.1%)
Hue231.76°
Saturation (HSL)44.35%
Lightness45.1%
Dominant channelBlue
Hex per channelR 40 · G 4E · B A6

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Every value on this page was computed from “404ea6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.