Colour

#0156FF

#0156FF
Blue
Dark
Nearest: Medium slateblue

#0156FF is a blue with RGB values 1, 86, 255 and HSL 220°, 100%, 50%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0156FF#0156FF

HEX#0156FF

RGBrgb(1, 86, 255)

RGB (0–1)0.0039, 0.3373, 1

RGB percentages0.4%, 33.7%, 100%

HSLhsl(219.9, 100%, 50.2%)

HSV / HSBhsv(219.9, 99.6%, 100%)

CMYK99.6%, 66.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer87,807

CSS custom property--colour: #0156FF;

Brightness & contrast

Relative luminance0.13882WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.56:1

Contrast with white5.56:1WCAG normal text: AA

Contrast with black3.78:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#FEA900

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0073FFno red cones; affects about 1% of men; ΔE 22.9 from the original

Deuteranopia#005DFCno green cones; the most common form, about 1% of men; ΔE 6.9 from the original

Tritanopia#0085A3no blue cones; rare, and affects men and women equally; ΔE 91.1 from the original

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

Contrast with white, large text5.56:1WCAG large text: AAA

Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 24.7 Blue violet · ΔE 28.2 Medium blue · ΔE 29.3 Royal blue · ΔE 30.1 Slate blue · ΔE 31.9 Dark orchid · ΔE 34.6

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 24.67, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFAA01

Analogous#01D5FF, #2B01FF

Triadic#FF0156, #56FF01

Split complementary#FF2B01, #D5FF01

Tetradic#FF01D5, #FFAA01, #01FF2B

Tints, shades & saturation

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

Lighter +40%#CDDEFF

Lighter +30%#9ABCFF

Lighter +20%#679AFF

Lighter +10%#3478FF

Darker −10%#0045CD

Darker −20%#00349A

Darker −30%#002267

Darker −40%#001134

More saturated +25%#0156FF

Less saturated −25%#2160DF

Channel breakdown

G86

B255

Red1 (0.4%)

Green86 (33.7%)

Blue255 (100%)

Hue219.92°

Saturation (HSL)100%

Lightness50.2%

Dominant channelBlue

Hex per channelR 01 · G 56 · B FF

Keep nerding

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#0156FF

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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