Colour

#306DFB

#306DFB
Blue
Dark
Nearest: Royal blue

#306DFB is a blue with RGB values 48, 109, 251 and HSL 222°, 96%, 59%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#306DFB#306DFB

HEX#306DFB

RGBrgb(48, 109, 251)

RGB (0–1)0.1882, 0.4275, 0.9843

RGB percentages18.8%, 42.7%, 98.4%

HSLhsl(222, 96.2%, 58.6%)

HSV / HSBhsv(222, 80.9%, 98.4%)

CMYK80.9%, 56.6%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,173,883

CSS custom property--colour: #306DFB;

Brightness & contrast

Relative luminance0.18531WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.71:1

Contrast with white4.46:1WCAG normal text: Fail

Contrast with black4.71:1WCAG normal text: AA

Greyscale equivalent#6A6A6A

Inverted#CF9204

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0081FFno red cones; affects about 1% of men; ΔE 15.2 from the original

Deuteranopia#006EF8no green cones; the most common form, about 1% of men; ΔE 4.1 from the original

Tritanopia#0091A9no blue cones; rare, and affects men and women equally; ΔE 77.5 from the original

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

Contrast with white, large text4.46:1WCAG large text: AA

Contrast with black, large text4.71:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12.2 Medium slateblue · ΔE 14.6 Slate blue · ΔE 19.5 Dodgerblue · ΔE 26.6 Medium purple · ΔE 27 Rebecca purple · ΔE 35.6

Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBBE30

Analogous#30D3FB, #5830FB

Triadic#FB306D, #6DFB30

Split complementary#FB5830, #D3FB30

Tetradic#FB30D3, #FBBE30, #30FB58

Tints, shades & saturation

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

Lighter +40%#F8FAFF

Lighter +30%#C6D7FE

Lighter +20%#94B4FD

Lighter +10%#6290FC

Darker −10%#054CF3

Darker −20%#043DC1

Darker −30%#032D8F

Darker −40%#021D5D

More saturated +25%#2C6BFF

Less saturated −25%#4A78E1

Channel breakdown

R48

G109

B251

Red48 (18.8%)

Green109 (42.7%)

Blue251 (98.4%)

Hue221.97°

Saturation (HSL)96.21%

Lightness58.63%

Dominant channelBlue

Hex per channelR 30 · G 6D · B FB

Keep nerding

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

#306DFB

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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