Recognised as Colour

#3704EF

#3704EF
Blue
Dark
Nearest: Blue

#3704EF is a blue with RGB values 55, 4, 239 and HSL 253°, 97%, 48%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#3704EF#3704EF

HEX#3704EF

RGBrgb(55, 4, 239)

RGB (0–1)0.2157, 0.0157, 0.9373

RGB percentages21.6%, 1.6%, 93.7%

HSLhsl(253, 96.7%, 47.6%)

HSV / HSBhsv(253, 98.3%, 93.7%)

CMYK77%, 98.3%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,605,743

CSS custom property--colour: #3704EF;

Brightness & contrast

Relative luminance0.07131WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.66:1

Contrast with white8.66:1WCAG normal text: AAA

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

Greyscale equivalent#202020

Inverted#C8FB10

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055F4no red cones; affects about 1% of men; ΔE 38.3 from the original

Deuteranopia#0041ECno green cones; the most common form, about 1% of men; ΔE 27.2 from the original

Tritanopia#00638Cno blue cones; rare, and affects men and women equally; ΔE 109.5 from the original

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

Contrast with white, large text8.66:1WCAG large text: AAA

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

Named colours

Blue · ΔE 9.5 Medium blue · ΔE 13.3 Blue violet · ΔE 27 Dark violet · ΔE 29.7 Dark orchid · ΔE 41.9 Dark blue · ΔE 43.1

Nearest named CSS colourBlue (#0000FF)ΔE 9.51, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BCEF04

Analogous#0447EF, #AC04EF

Triadic#EF3704, #04EF37

Split complementary#EFAC04, #47EF04

Tetradic#EF0447, #BCEF04, #04EFAC

Tints, shades & saturation

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

Lighter +40%#CEC1FE

Lighter +30%#A78FFD

Lighter +20%#7F5DFC

Lighter +10%#582BFB

Darker −10%#2B03BD

Darker −20%#20028B

Darker −30%#140159

Darker −40%#090126

More saturated +25%#3500F3

Less saturated −25%#4822D1

Channel breakdown

R55

B239

Red55 (21.6%)

Green4 (1.6%)

Blue239 (93.7%)

Hue253.02°

Saturation (HSL)96.71%

Lightness47.65%

Dominant channelBlue

Hex per channelR 37 · G 04 · B EF

Keep nerding

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

#3704EF

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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