Colour

#0400F4

#0400F4
Blue
Dark
Nearest: Blue

#0400F4 is a blue with RGB values 4, 0, 244 and HSL 241°, 100%, 48%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0400F4#0400F4

HEX#0400F4

RGBrgb(4, 0, 244)

RGB (0–1)0.0157, 0, 0.9569

RGB percentages1.6%, 0%, 95.7%

HSLhsl(241, 100%, 47.8%)

HSV / HSBhsv(241, 100%, 95.7%)

CMYK98.4%, 100%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer262,388

CSS custom property--colour: #0400F4;

Brightness & contrast

Relative luminance0.06557WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.09:1

Contrast with white9.09:1WCAG normal text: AAA

Contrast with black2.31:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#FBFF0B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055FAno red cones; affects about 1% of men; ΔE 39.1 from the original

Deuteranopia#003BF1no green cones; the most common form, about 1% of men; ΔE 24.4 from the original

Tritanopia#00668Fno blue cones; rare, and affects men and women equally; ΔE 114.3 from the original

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

Contrast with white, large text9.09:1WCAG large text: AAA

Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Blue · ΔE 4.7 Medium blue · ΔE 16.9 Blue violet · ΔE 32.3 Dark violet · ΔE 35 Dark blue · ΔE 47 Dark orchid · ΔE 47.3

Nearest named CSS colourBlue (#0000FF)ΔE 4.72, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F0F400

Analogous#0076F4, #7E00F4

Triadic#F40400, #00F404

Split complementary#F47E00, #76F400

Tetradic#F40076, #F0F400, #00F47E

Tints, shades & saturation

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

Lighter +40%#C2C1FF

Lighter +30%#908EFF

Lighter +20%#5E5BFF

Lighter +10%#2C28FF

Darker −10%#0300C1

Darker −20%#02008E

Darker −30%#01005B

Darker −40%#010028

More saturated +25%#0400F4

Less saturated −25%#211FD6

Channel breakdown

B244

Red4 (1.6%)

Green0 (0%)

Blue244 (95.7%)

Hue240.98°

Saturation (HSL)100%

Lightness47.84%

Dominant channelBlue

Hex per channelR 04 · G 00 · B F4

Keep nerding

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

#0400F4

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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