Colour

#003DFB

#003DFB
Blue
Dark
Nearest: Medium blue

#003DFB is a blue with RGB values 0, 61, 251 and HSL 225°, 100%, 49%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#003DFB#003DFB

HEX#003DFB

RGBrgb(0, 61, 251)

RGB (0–1)0, 0.2392, 0.9843

RGB percentages0%, 23.9%, 98.4%

HSLhsl(225.4, 100%, 49.2%)

HSV / HSBhsv(225.4, 100%, 98.4%)

CMYK100%, 75.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,867

CSS custom property--colour: #003DFB;

Brightness & contrast

Relative luminance0.10303WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.86:1

Contrast with white6.86:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#FFC204

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066FFno red cones; affects about 1% of men; ΔE 28.4 from the original

Deuteranopia#004EF8no green cones; the most common form, about 1% of men; ΔE 13.2 from the original

Tritanopia#00779Ano blue cones; rare, and affects men and women equally; ΔE 100.8 from the original

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

Contrast with white, large text6.86:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Medium blue · ΔE 16.5 Blue violet · ΔE 24 Blue · ΔE 25 Dark violet · ΔE 30.9 Dark orchid · ΔE 36.4 Dark blue · ΔE 36.6

Nearest named CSS colourMedium blue (#0000CD)ΔE 16.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBBE00

Analogous#00BBFB, #4000FB

Triadic#FB003D, #3DFB00

Split complementary#FB4000, #BBFB00

Tetradic#FB00BB, #FBBE00, #00FB40

Tints, shades & saturation

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

Lighter +40%#C8D5FF

Lighter +30%#95AFFF

Lighter +20%#6288FF

Lighter +10%#2F62FF

Darker −10%#0031C8

Darker −20%#002495

Darker −30%#001862

Darker −40%#000B2F

More saturated +25%#003DFB

Less saturated −25%#1F4DDC

Channel breakdown

G61

B251

Red0 (0%)

Green61 (23.9%)

Blue251 (98.4%)

Hue225.42°

Saturation (HSL)100%

Lightness49.22%

Dominant channelBlue

Hex per channelR 00 · G 3D · B FB

Keep nerding

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

#003DFB

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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