Colour

#131C55

#131C55
Blue
Dark
Nearest: Midnight blue

#131C55 is a blue with RGB values 19, 28, 85 and HSL 232°, 63%, 20%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#131C55#131C55

HEX#131C55

RGBrgb(19, 28, 85)

RGB (0–1)0.0745, 0.1098, 0.3333

RGB percentages7.5%, 11%, 33.3%

HSLhsl(231.8, 63.5%, 20.4%)

HSV / HSBhsv(231.8, 77.6%, 33.3%)

CMYK77.6%, 67.1%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,252,437

CSS custom property--colour: #131C55;

Brightness & contrast

Relative luminance0.01625WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.85:1

Contrast with white15.85:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#ECE3AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002557no red cones; affects about 1% of men; ΔE 8.7 from the original

Deuteranopia#001F54no green cones; the most common form, about 1% of men; ΔE 4.9 from the original

Tritanopia#002B35no blue cones; rare, and affects men and women equally; ΔE 38 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.85:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 19.3 Dark slateblue · ΔE 20 Rebecca purple · ΔE 33.3 Indigo · ΔE 38.2 Navy · ΔE 41 Black · ΔE 42.4

Nearest named CSS colourMidnight blue (#191970)ΔE 19.3, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#554C13

Analogous#133D55, #2B1355

Triadic#55131C, #1C5513

Split complementary#552B13, #3D5513

Tetradic#55133D, #554C13, #13552B

Tints, shades & saturation

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

Lighter +40%#5A6BDA

Lighter +30%#3046D1

Lighter +20%#2637A8

Lighter +10%#1C2A7F

Darker −10%#0A0E2B

Darker −20%#000102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#061362

Less saturated −25%#202548

Channel breakdown

R19

G28

B85

Red19 (7.5%)

Green28 (11%)

Blue85 (33.3%)

Hue231.82°

Saturation (HSL)63.46%

Lightness20.39%

Dominant channelBlue

Hex per channelR 13 · G 1C · B 55

Keep nerding

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#131C55

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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