Colour

#031B36

#031B36
Blue
Dark
Nearest: Black

#031B36 is a blue with RGB values 3, 27, 54 and HSL 212°, 89%, 11%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031B36#031B36

HEX#031B36

RGBrgb(3, 27, 54)

RGB (0–1)0.0118, 0.1059, 0.2118

RGB percentages1.2%, 10.6%, 21.2%

HSLhsl(211.8, 89.5%, 11.2%)

HSV / HSBhsv(211.8, 94.4%, 21.2%)

CMYK94.4%, 50%, 0%, 78.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer203,574

CSS custom property--colour: #031B36;

Brightness & contrast

Relative luminance0.0107WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.3:1

Contrast with white17.3:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#FCE4C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0D1D37no red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#041835no green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#002125no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.3:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 22.7 Dark slate grey · ΔE 30.9 Dark slateblue · ΔE 38.3 Dim grey · ΔE 40.5 Midnight blue · ΔE 41.6 Slate grey · ΔE 44.6

Nearest named CSS colourBlack (#000000)ΔE 22.66, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#361E03

Analogous#033536, #040336

Triadic#36031B, #1B3603

Split complementary#360403, #353603

Tetradic#360335, #361E03, #033604

Tints, shades & saturation

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

Lighter +40%#137CF2

Lighter +30%#0B63C7

Lighter +20%#084B97

Lighter +10%#063366

Darker −10%#000306

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001B39

Less saturated −25%#0A1B2F

Channel breakdown

G27

B54

Red3 (1.2%)

Green27 (10.6%)

Blue54 (21.2%)

Hue211.76°

Saturation (HSL)89.47%

Lightness11.18%

Dominant channelBlue

Hex per channelR 03 · G 1B · B 36

Keep nerding

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

#031B36

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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