Colour

#23186E

#23186E
Blue
Dark
Nearest: Midnight blue

#23186E is a blue with RGB values 35, 24, 110 and HSL 248°, 64%, 26%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#23186E#23186E

HEX#23186E

RGBrgb(35, 24, 110)

RGB (0–1)0.1373, 0.0941, 0.4314

RGB percentages13.7%, 9.4%, 43.1%

HSLhsl(247.7, 64.2%, 26.3%)

HSV / HSBhsv(247.7, 78.2%, 43.1%)

CMYK68.2%, 78.2%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,300,014

CSS custom property--colour: #23186E;

Brightness & contrast

Relative luminance0.02136WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.71:1

Contrast with white14.71:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#DCE791

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002B70no red cones; affects about 1% of men; ΔE 16.5 from the original

Deuteranopia#00256Cno green cones; the most common form, about 1% of men; ΔE 13.4 from the original

Tritanopia#003142no blue cones; rare, and affects men and women equally; ΔE 52.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.71:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 2.2 Dark slateblue · ΔE 17.1 Rebecca purple · ΔE 19.6 Indigo · ΔE 20.2 Navy · ΔE 22.7 Dark blue · ΔE 27.5

Nearest named CSS colourMidnight blue (#191970)ΔE 2.15, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#636E18

Analogous#18386E, #4E186E

Triadic#6E2318, #186E23

Split complementary#6E4E18, #386E18

Tetradic#6E1838, #636E18, #186E4E

Tints, shades & saturation

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

Lighter +40%#8072E0

Lighter +30%#5A48D7

Lighter +20%#3E2AC2

Lighter +10%#302198

Darker −10%#160F44

Darker −20%#08061A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#17077F

Less saturated −25%#2F295D

Channel breakdown

R35

G24

B110

Red35 (13.7%)

Green24 (9.4%)

Blue110 (43.1%)

Hue247.67°

Saturation (HSL)64.18%

Lightness26.27%

Dominant channelBlue

Hex per channelR 23 · G 18 · B 6E

Keep nerding

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#23186E

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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