Colour

#427EBF

#427EBF
Blue
Dark
Nearest: Steel blue

#427EBF is a blue with RGB values 66, 126, 191 and HSL 211°, 49%, 50%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#427EBF#427EBF

HEX#427EBF

RGBrgb(66, 126, 191)

RGB (0–1)0.2588, 0.4941, 0.749

RGB percentages25.9%, 49.4%, 74.9%

HSLhsl(211.2, 49.4%, 50.4%)

HSV / HSBhsv(211.2, 65.4%, 74.9%)

CMYK65.4%, 34%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,357,823

CSS custom property--colour: #427EBF;

Brightness & contrast

Relative luminance0.19842WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.97:1

Contrast with white4.23:1WCAG normal text: Fail

Contrast with black4.97:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#BD8140

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6282C2no red cones; affects about 1% of men; ΔE 6.6 from the original

Deuteranopia#5076BEno green cones; the most common form, about 1% of men; ΔE 7.7 from the original

Tritanopia#008D96no blue cones; rare, and affects men and women equally; ΔE 39.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.23:1WCAG large text: AA

Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.3 Cornflower blue · ΔE 16.1 Dodgerblue · ΔE 26.3 Deep skyblue · ΔE 28.3 Light slate grey · ΔE 29.2 Slate grey · ΔE 29.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 9.33, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#BF8342

Analogous#42BCBF, #4542BF

Triadic#BF427E, #7EBF42

Split complementary#BF4442, #BDBF42

Tetradic#BF42BC, #BF8342, #42BF45

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DAE6F3

Lighter +30%#B4CCE6

Lighter +20%#8EB2D9

Lighter +10%#6898CC

Darker −10%#34659A

Darker −20%#274C74

Darker −30%#1A334E

Darker −40%#0D1A28

More saturated +25%#227DDF

Less saturated −25%#627F9F

Channel breakdown

R66

G126

B191

Red66 (25.9%)

Green126 (49.4%)

Blue191 (74.9%)

Hue211.2°

Saturation (HSL)49.41%

Lightness50.39%

Dominant channelBlue

Hex per channelR 42 · G 7E · B BF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#427EBF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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