Recognised as Colour

#428AF6

#428AF6
Blue
Dark
Nearest: Dodgerblue

#428AF6 is a blue with RGB values 66, 138, 246 and HSL 216°, 91%, 61%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#428AF6#428AF6

HEX#428AF6

RGBrgb(66, 138, 246)

RGB (0–1)0.2588, 0.5412, 0.9647

RGB percentages25.9%, 54.1%, 96.5%

HSLhsl(216, 90.9%, 61.2%)

HSV / HSBhsv(216, 73.2%, 96.5%)

CMYK73.2%, 43.9%, 0%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,360,950

CSS custom property--colour: #428AF6;

Brightness & contrast

Relative luminance0.25989WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.2:1

Contrast with white3.39:1WCAG normal text: Fail

Contrast with black6.2:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#BD7509

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5394FAno red cones; affects about 1% of men; ΔE 5.5 from the original

Deuteranopia#2F84F4no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#00A3B4no blue cones; rare, and affects men and women equally; ΔE 59.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.39:1WCAG large text: AA

Contrast with black, large text6.2:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 4.7 Cornflower blue · ΔE 12.6 Royal blue · ΔE 17 Medium purple · ΔE 25.7 Slate blue · ΔE 26 Medium slateblue · ΔE 28.6

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 4.71, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F6AE42

Analogous#42E4F6, #5442F6

Triadic#F6428A, #8AF642

Split complementary#F65442, #E4F642

Tetradic#F642E4, #F6AE42, #42F654

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#D4E4FD

Lighter +20%#A3C6FB

Lighter +10%#73A8F8

Darker −10%#116CF4

Darker −20%#0A56C8

Darker −30%#074198

Darker −40%#052C67

More saturated +25%#3988FF

Less saturated −25%#5B8FDD

Channel breakdown

R66

G138

B246

Red66 (25.9%)

Green138 (54.1%)

Blue246 (96.5%)

Hue216°

Saturation (HSL)90.91%

Lightness61.18%

Dominant channelBlue

Hex per channelR 42 · G 8A · B F6

Keep nerding

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

#428AF6

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

Nerdulate something else