Recognised as Colour

#1A09D4

#1A09D4
Blue
Dark
Nearest: Medium blue

#1A09D4 is a blue with RGB values 26, 9, 212 and HSL 245°, 92%, 43%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1A09D4#1A09D4

HEX#1A09D4

RGBrgb(26, 9, 212)

RGB (0–1)0.102, 0.0353, 0.8314

RGB percentages10.2%, 3.5%, 83.1%

HSLhsl(245, 91.9%, 43.3%)

HSV / HSBhsv(245, 95.8%, 83.1%)

CMYK87.7%, 95.8%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,706,452

CSS custom property--colour: #1A09D4;

Brightness & contrast

Relative luminance0.05168WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.33:1

Contrast with white10.33:1WCAG normal text: AAA

Contrast with black2.03:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#E5F62B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004AD9no red cones; affects about 1% of men; ΔE 33.8 from the original

Deuteranopia#0035D1no green cones; the most common form, about 1% of men; ΔE 21.8 from the original

Tritanopia#00597Cno blue cones; rare, and affects men and women equally; ΔE 101.1 from the original

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

Contrast with white, large text10.33:1WCAG large text: AAA

Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Medium blue · ΔE 2.3 Blue · ΔE 20.5 Blue violet · ΔE 22.8 Dark violet · ΔE 26.3 Dark blue · ΔE 31.3 Dark orchid · ΔE 35.7

Nearest named CSS colourMedium blue (#0000CD)ΔE 2.27, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C3D409

Analogous#095DD4, #8009D4

Triadic#D41A09, #09D41A

Split complementary#D48009, #5DD409

Tetradic#D4095E, #C3D409, #09D480

Tints, shades & saturation

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

Lighter +40%#B4ADFC

Lighter +30%#877DF9

Lighter +20%#5A4CF7

Lighter +10%#2D1BF5

Darker −10%#1407A3

Darker −20%#0E0572

Darker −30%#080341

Darker −40%#020110

More saturated +25%#1300DD

Less saturated −25%#3125B8

Channel breakdown

R26

B212

Red26 (10.2%)

Green9 (3.5%)

Blue212 (83.1%)

Hue245.02°

Saturation (HSL)91.86%

Lightness43.33%

Dominant channelBlue

Hex per channelR 1A · G 09 · B D4

Keep nerding

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

#1A09D4

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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