Colour

#23365A

#23365A
Blue
Dark
Nearest: Dark slate grey

#23365A is a blue with RGB values 35, 54, 90 and HSL 219°, 44%, 25%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#23365A#23365A

HEX#23365A

RGBrgb(35, 54, 90)

RGB (0–1)0.1373, 0.2118, 0.3529

RGB percentages13.7%, 21.2%, 35.3%

HSLhsl(219.3, 44%, 24.5%)

HSV / HSBhsv(219.3, 61.1%, 35.3%)

CMYK61.1%, 40%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,307,674

CSS custom property--colour: #23365A;

Brightness & contrast

Relative luminance0.03734WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.02:1

Contrast with white12.02:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#DCC9A5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27395Bno red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#203459no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#003E43no blue cones; rare, and affects men and women equally; ΔE 25.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.02:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.4 Dark slateblue · ΔE 29.1 Steel blue · ΔE 32 Dim grey · ΔE 32.6 Black · ΔE 33.4 Slate grey · ΔE 33.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.41, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5A4723

Analogous#23525A, #2B235A

Triadic#5A2336, #365A23

Split complementary#5A2B23, #525A23

Tetradic#5A2352, #5A4723, #235A2B

Tints, shades & saturation

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

Lighter +40%#7D98CC

Lighter +30%#587BBE

Lighter +20%#4062A3

Lighter +10%#314C7F

Darker −10%#152035

Darker −20%#060A11

Darker −30%#000000

Darker −40%#000000

More saturated +25%#13316A

Less saturated −25%#333B4A

Channel breakdown

R35

G54

B90

Red35 (13.7%)

Green54 (21.2%)

Blue90 (35.3%)

Hue219.27°

Saturation (HSL)44%

Lightness24.51%

Dominant channelBlue

Hex per channelR 23 · G 36 · B 5A

Keep nerding

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#23365A

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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