Colour

#2403FF

#2403FF
Blue
Dark
Nearest: Blue

#2403FF is a blue with RGB values 36, 3, 255 and HSL 248°, 100%, 51%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#2403FF#2403FF

HEX#2403FF

RGBrgb(36, 3, 255)

RGB (0–1)0.1412, 0.0118, 1

RGB percentages14.1%, 1.2%, 100%

HSLhsl(247.9, 100%, 50.6%)

HSV / HSBhsv(247.9, 98.8%, 100%)

CMYK85.9%, 98.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,360,319

CSS custom property--colour: #2403FF;

Brightness & contrast

Relative luminance0.0766WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.29:1

Contrast with white8.29:1WCAG normal text: AAA

Contrast with black2.53:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#DBFC00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005AFFno red cones; affects about 1% of men; ΔE 42.8 from the original

Deuteranopia#0041FBno green cones; the most common form, about 1% of men; ΔE 26.5 from the original

Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 116.8 from the original

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

Contrast with white, large text8.29:1WCAG large text: AAA

Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Blue · ΔE 1.9 Medium blue · ΔE 20.6 Blue violet · ΔE 34 Dark violet · ΔE 36.5 Dark orchid · ΔE 49.2 Dark blue · ΔE 50.7

Nearest named CSS colourBlue (#0000FF)ΔE 1.9, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DEFF03

Analogous#0360FF, #A203FF

Triadic#FF2403, #03FF24

Split complementary#FFA203, #60FF03

Tetradic#FF0360, #DEFF03, #03FFA2

Tints, shades & saturation

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

Lighter +40%#D5CFFF

Lighter +30%#A99CFF

Lighter +20%#7D69FF

Lighter +10%#5036FF

Darker −10%#1B00CF

Darker −20%#14009C

Darker −30%#0E0069

Darker −40%#070036

More saturated +25%#2403FF

Less saturated −25%#3B22E0

Channel breakdown

R36

B255

Red36 (14.1%)

Green3 (1.2%)

Blue255 (100%)

Hue247.86°

Saturation (HSL)100%

Lightness50.59%

Dominant channelBlue

Hex per channelR 24 · G 03 · B FF

Keep nerding

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#2403FF

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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