Colour

#4665DB

#4665DB
Blue
Dark
Nearest: Royal blue

#4665DB is a blue with RGB values 70, 101, 219 and HSL 228°, 67%, 57%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4665DB#4665DB

HEX#4665DB

RGBrgb(70, 101, 219)

RGB (0–1)0.2745, 0.3961, 0.8588

RGB percentages27.5%, 39.6%, 85.9%

HSLhsl(227.5, 67.4%, 56.7%)

HSV / HSBhsv(227.5, 68%, 85.9%)

CMYK68%, 53.9%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,613,595

CSS custom property--colour: #4665DB;

Brightness & contrast

Relative luminance0.15724WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.07:1

Contrast with white5.07:1WCAG normal text: AA

Contrast with black4.14:1WCAG normal text: Fail

Greyscale equivalent#676767

Inverted#B99A24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0476DFno red cones; affects about 1% of men; ΔE 15.3 from the original

Deuteranopia#0068D9no green cones; the most common form, about 1% of men; ΔE 8.3 from the original

Tritanopia#008196no blue cones; rare, and affects men and women equally; ΔE 66.2 from the original

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

Contrast with white, large text5.07:1WCAG large text: AAA

Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Royal blue · ΔE 2.2 Slate blue · ΔE 10.7 Medium slateblue · ΔE 14.9 Medium purple · ΔE 18.7 Dodgerblue · ΔE 21.6 Rebecca purple · ΔE 26.6

Nearest named CSS colourRoyal blue (#4169E1)ΔE 2.17, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DBBC46

Analogous#46AFDB, #7246DB

Triadic#DB4665, #65DB46

Split complementary#DB7246, #AFDB46

Tetradic#DB46AF, #DBBC46, #46DB72

Tints, shades & saturation

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

Lighter +40%#F1F3FC

Lighter +30%#C6D0F4

Lighter +20%#9BACEC

Lighter +10%#7189E3

Darker −10%#2748C7

Darker −20%#1E399D

Darker −30%#162972

Darker −40%#0E1A47

More saturated +25%#2A55F7

Less saturated −25%#6275BF

Channel breakdown

R70

G101

B219

Red70 (27.5%)

Green101 (39.6%)

Blue219 (85.9%)

Hue227.52°

Saturation (HSL)67.42%

Lightness56.67%

Dominant channelBlue

Hex per channelR 46 · G 65 · B DB

Keep nerding

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#4665DB

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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