Colour

#1734DB

#1734DB
Blue
Dark
Nearest: Medium blue

#1734DB is a blue with RGB values 23, 52, 219 and HSL 231°, 81%, 47%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1734DB#1734DB

HEX#1734DB

RGBrgb(23, 52, 219)

RGB (0–1)0.0902, 0.2039, 0.8588

RGB percentages9%, 20.4%, 85.9%

HSLhsl(231.1, 81%, 47.5%)

HSV / HSBhsv(231.1, 89.5%, 85.9%)

CMYK89.5%, 76.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,520,859

CSS custom property--colour: #1734DB;

Brightness & contrast

Relative luminance0.07753WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.23:1

Contrast with white8.23:1WCAG normal text: AAA

Contrast with black2.55:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#E8CB24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058E0no red cones; affects about 1% of men; ΔE 24.9 from the original

Deuteranopia#0045D8no green cones; the most common form, about 1% of men; ΔE 13.7 from the original

Tritanopia#006786no blue cones; rare, and affects men and women equally; ΔE 90.7 from the original

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

Contrast with white, large text8.23:1WCAG large text: AAA

Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17.5 Blue violet · ΔE 21.7 Dark blue · ΔE 25.3 Dark violet · ΔE 28.3 Navy · ΔE 29.7 Dark orchid · ΔE 29.8

Nearest named CSS colourMedium blue (#0000CD)ΔE 17.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DBBE17

Analogous#1796DB, #5C17DB

Triadic#DB1734, #34DB17

Split complementary#DB5C17, #96DB17

Tetradic#DB1796, #DBBE17, #17DB5C

Tints, shades & saturation

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

Lighter +40%#C5CDF9

Lighter +30%#97A5F4

Lighter +20%#697DEF

Lighter +10%#3B55EA

Darker −10%#1229AD

Darker −20%#0D1E7F

Darker −30%#081351

Darker −40%#040822

More saturated +25%#0024F2

Less saturated −25%#3549BD

Channel breakdown

R23

G52

B219

Red23 (9%)

Green52 (20.4%)

Blue219 (85.9%)

Hue231.12°

Saturation (HSL)80.99%

Lightness47.45%

Dominant channelBlue

Hex per channelR 17 · G 34 · B DB

Keep nerding

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#1734DB

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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