Recognised as Colour

#280FFF

#280FFF
Blue
Dark
Nearest: Blue

#280FFF is a blue with RGB values 40, 15, 255 and HSL 246°, 100%, 53%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#280FFF#280FFF

HEX#280FFF

RGBrgb(40, 15, 255)

RGB (0–1)0.1569, 0.0588, 1

RGB percentages15.7%, 5.9%, 100%

HSLhsl(246.3, 100%, 52.9%)

HSV / HSBhsv(246.3, 94.1%, 100%)

CMYK84.3%, 94.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,625,535

CSS custom property--colour: #280FFF;

Brightness & contrast

Relative luminance0.08013WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.07:1

Contrast with white8.07:1WCAG normal text: AAA

Contrast with black2.6:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#D7F000

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BFFno red cones; affects about 1% of men; ΔE 41.3 from the original

Deuteranopia#0043FBno green cones; the most common form, about 1% of men; ΔE 25.6 from the original

Tritanopia#006C97no blue cones; rare, and affects men and women equally; ΔE 114.8 from the original

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

Contrast with white, large text8.07:1WCAG large text: AAA

Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Blue · ΔE 3.9 Medium blue · ΔE 19.1 Blue violet · ΔE 32.2 Dark violet · ΔE 35.1 Dark orchid · ΔE 47.4 Dark blue · ΔE 49.1

Nearest named CSS colourBlue (#0000FF)ΔE 3.85, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E6FF0F

Analogous#0F6EFF, #A00FFF

Triadic#FF280F, #0FFF28

Split complementary#FFA00F, #6EFF0F

Tetradic#FF0F6E, #E6FF0F, #0FFFA0

Tints, shades & saturation

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

Lighter +40%#DFDBFF

Lighter +30%#B1A8FF

Lighter +20%#8375FF

Lighter +10%#5642FF

Darker −10%#1700DB

Darker −20%#1200A8

Darker −30%#0C0075

Darker −40%#070042

More saturated +25%#280FFF

Less saturated −25%#402DE1

Channel breakdown

R40

G15

B255

Red40 (15.7%)

Green15 (5.9%)

Blue255 (100%)

Hue246.25°

Saturation (HSL)100%

Lightness52.94%

Dominant channelBlue

Hex per channelR 28 · G 0F · B FF

Keep nerding

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

#280FFF

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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