Colour

#13182D

#13182D
Blue
Dark
Nearest: Black

#13182D is a blue with RGB values 19, 24, 45 and HSL 228°, 41%, 13%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#13182D#13182D

HEX#13182D

RGBrgb(19, 24, 45)

RGB (0–1)0.0745, 0.0941, 0.1765

RGB percentages7.5%, 9.4%, 17.6%

HSLhsl(228.5, 40.6%, 12.5%)

HSV / HSBhsv(228.5, 57.8%, 17.6%)

CMYK57.8%, 46.7%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,251,373

CSS custom property--colour: #13182D;

Brightness & contrast

Relative luminance0.00981WCAG 2.x, 0 is black and 1 is white

Perceived brightness26 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.56:1

Contrast with white17.56:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#ECE7D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#101A2Eno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#0E182Dno green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#091C20no blue cones; rare, and affects men and women equally; ΔE 14.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.56:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 18 Dark slate grey · ΔE 30.1 Dim grey · ΔE 38.9 Dark slateblue · ΔE 40.8 Midnight blue · ΔE 44.4 Slate grey · ΔE 44.8

Nearest named CSS colourBlack (#000000)ΔE 18.01, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2D2813

Analogous#13252D, #1B132D

Triadic#2D1318, #182D13

Split complementary#2D1B13, #252D13

Tetradic#2D1325, #2D2813, #132D1B

Tints, shades & saturation

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

Lighter +40%#5568B7

Lighter +30%#405199

Lighter +20%#313E75

Lighter +10%#222B51

Darker −10%#040509

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B1335

Less saturated −25%#1B1D25

Channel breakdown

R19

G24

B45

Red19 (7.5%)

Green24 (9.4%)

Blue45 (17.6%)

Hue228.46°

Saturation (HSL)40.63%

Lightness12.55%

Dominant channelBlue

Hex per channelR 13 · G 18 · B 2D

Keep nerding

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#13182D

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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