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Recognised as Colour

#427AEA

  • #427AEA
  • Blue
  • Dark
  • Nearest: Royal blue

#427AEA is a blue with RGB values 66, 122, 234 and HSL 220°, 80%, 59%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#427AEA#427AEA
HEX#427AEA
RGBrgb(66, 122, 234)
RGB (0–1)0.2588, 0.4784, 0.9176
RGB percentages25.9%, 47.8%, 91.8%
HSLhsl(220, 80%, 58.8%)
HSV / HSBhsv(220, 71.8%, 91.8%)
CMYK71.8%, 47.9%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,356,842
CSS custom property--colour: #427AEA;

Brightness & contrast

Relative luminance0.21018WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.2:1
Contrast with white4.04:1WCAG normal text: Fail
Contrast with black5.2:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#BD8515

Colour vision & accessibility

Protanopia#3C87EEno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#0077E8no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#0094A7no blue cones; rare, and affects men and women equally; ΔE 62 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.04:1WCAG large text: AA
Contrast with black, large text5.2:1WCAG large text: AAA

Named colours

Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#EAB242
Analogous#42CEEA, #5E42EA
Triadic#EA427A, #7AEA42
Split complementary#EA5E42, #CEEA42
Tetradic#EA42CE, #EAB242, #42EA5E

Tints, shades & saturation

Lighter +40%#FAFBFE
Lighter +30%#CCDBF9
Lighter +20%#9EBBF4
Lighter +10%#709AEF
Darker −10%#195BE0
Darker −20%#1449B2
Darker −30%#0F3684
Darker −40%#0A2356
More saturated +25%#2D73FF
Less saturated −25%#5C83D0

Channel breakdown

R66
G122
B234
Red66 (25.9%)
Green122 (47.8%)
Blue234 (91.8%)
Hue220°
Saturation (HSL)80%
Lightness58.82%
Dominant channelBlue
Hex per channelR 42 · G 7A · B EA

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Every value on this page was computed from “427aea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.