Colour

#103AFF

#103AFF
Blue
Dark
Nearest: Medium blue

#103AFF is a blue with RGB values 16, 58, 255 and HSL 229°, 100%, 53%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#103AFF#103AFF

HEX#103AFF

RGBrgb(16, 58, 255)

RGB (0–1)0.0627, 0.2275, 1

RGB percentages6.3%, 22.7%, 100%

HSLhsl(229.5, 100%, 53.1%)

HSV / HSBhsv(229.5, 93.7%, 100%)

CMYK93.7%, 77.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,063,679

CSS custom property--colour: #103AFF;

Brightness & contrast

Relative luminance0.10356WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.84:1

Contrast with white6.84:1WCAG normal text: AA

Contrast with black3.07:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#EFC500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0066FFno red cones; affects about 1% of men; ΔE 32 from the original

Deuteranopia#004FFCno green cones; the most common form, about 1% of men; ΔE 15.7 from the original

Tritanopia#00789Cno blue cones; rare, and affects men and women equally; ΔE 104 from the original

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

Contrast with white, large text6.84:1WCAG large text: AAA

Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.9 Blue · ΔE 21.4 Blue violet · ΔE 24.6 Dark violet · ΔE 31 Dark orchid · ΔE 38 Dark blue · ΔE 39

Nearest named CSS colourMedium blue (#0000CD)ΔE 15.86, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFD510

Analogous#10B1FF, #5E10FF

Triadic#FF103A, #3AFF10

Split complementary#FF5E10, #B1FF10

Tetradic#FF10B1, #FFD510, #10FF5E

Tints, shades & saturation

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

Lighter +40%#DCE2FF

Lighter +30%#A9B8FF

Lighter +20%#768EFF

Lighter +10%#4364FF

Darker −10%#0027DC

Darker −20%#001EA9

Darker −30%#001576

Darker −40%#000C43

More saturated +25%#103AFF

Less saturated −25%#2E4DE1

Channel breakdown

R16

G58

B255

Red16 (6.3%)

Green58 (22.7%)

Blue255 (100%)

Hue229.46°

Saturation (HSL)100%

Lightness53.14%

Dominant channelBlue

Hex per channelR 10 · G 3A · B FF

Keep nerding

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#103AFF

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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