Recognised as Colour

#0023AF

#0023AF
Blue
Dark
Nearest: Dark blue

#0023AF is a blue with RGB values 0, 35, 175 and HSL 228°, 100%, 34%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0023AF#0023AF

HEX#0023AF

RGBrgb(0, 35, 175)

RGB (0–1)0, 0.1373, 0.6863

RGB percentages0%, 13.7%, 68.6%

HSLhsl(228, 100%, 34.3%)

HSV / HSBhsv(228, 100%, 68.6%)

CMYK100%, 80%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,135

CSS custom property--colour: #0023AF;

Brightness & contrast

Relative luminance0.04297WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.29:1

Contrast with white11.29:1WCAG normal text: AAA

Contrast with black1.86:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#FFDC50

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0043B3no red cones; affects about 1% of men; ΔE 22.7 from the original

Deuteranopia#0032ADno green cones; the most common form, about 1% of men; ΔE 11.8 from the original

Tritanopia#004F69no blue cones; rare, and affects men and women equally; ΔE 78.8 from the original

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

Contrast with white, large text11.29:1WCAG large text: AAA

Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11.9 Navy · ΔE 15.1 Indigo · ΔE 21.9 Medium blue · ΔE 26.5 Slate blue · ΔE 28.7 Rebecca purple · ΔE 28.7

Nearest named CSS colourDark blue (#00008B)ΔE 11.86, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AF8C00

Analogous#007BAF, #3400AF

Triadic#AF0023, #23AF00

Split complementary#AF3500, #7AAF00

Tetradic#AF007B, #AF8C00, #00AF34

Tints, shades & saturation

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

Lighter +40%#7C96FF

Lighter +30%#496DFF

Lighter +20%#1645FF

Lighter +10%#002DE2

Darker −10%#00197C

Darker −20%#000F49

Darker −30%#000416

Darker −40%#000000

More saturated +25%#0023AF

Less saturated −25%#163099

Channel breakdown

G35

B175

Red0 (0%)

Green35 (13.7%)

Blue175 (68.6%)

Hue228°

Saturation (HSL)100%

Lightness34.31%

Dominant channelBlue

Hex per channelR 00 · G 23 · B AF

Keep nerding

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

#0023AF

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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