Colour

#0019F3

#0019F3
Blue
Dark
Nearest: Blue

#0019F3 is a blue with RGB values 0, 25, 243 and HSL 234°, 100%, 48%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0019F3#0019F3

HEX#0019F3

RGBrgb(0, 25, 243)

RGB (0–1)0, 0.098, 0.9529

RGB percentages0%, 9.8%, 95.3%

HSLhsl(233.8, 100%, 47.6%)

HSV / HSBhsv(233.8, 100%, 95.3%)

CMYK100%, 89.7%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,643

CSS custom property--colour: #0019F3;

Brightness & contrast

Relative luminance0.07166WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.63:1

Contrast with white8.63:1WCAG normal text: AAA

Contrast with black2.43:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#FFE60C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058F8no red cones; affects about 1% of men; ΔE 36.2 from the original

Deuteranopia#003FF0no green cones; the most common form, about 1% of men; ΔE 21.4 from the original

Tritanopia#006990no blue cones; rare, and affects men and women equally; ΔE 110.1 from the original

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

Contrast with white, large text8.63:1WCAG large text: AAA

Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Blue · ΔE 10.2 Medium blue · ΔE 12.9 Blue violet · ΔE 28.4 Dark violet · ΔE 32.2 Dark blue · ΔE 42.5 Dark orchid · ΔE 43.1

Nearest named CSS colourBlue (#0000FF)ΔE 10.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F3DA00

Analogous#0093F3, #6000F3

Triadic#F30019, #19F300

Split complementary#F36000, #93F300

Tetradic#F30093, #F3DA00, #00F360

Tints, shades & saturation

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

Lighter +40%#C0C6FF

Lighter +30%#8D99FF

Lighter +20%#5A6BFF

Lighter +10%#273DFF

Darker −10%#0014C0

Darker −20%#000F8D

Darker −30%#00095A

Darker −40%#000427

More saturated +25%#0019F3

Less saturated −25%#1E31D5

Channel breakdown

G25

B243

Red0 (0%)

Green25 (9.8%)

Blue243 (95.3%)

Hue233.83°

Saturation (HSL)100%

Lightness47.65%

Dominant channelBlue

Hex per channelR 00 · G 19 · B F3

Keep nerding

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

#0019F3

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