Colour

#131F3C

#131F3C
Blue
Dark
Nearest: Black

#131F3C is a blue with RGB values 19, 31, 60 and HSL 222°, 52%, 15%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#131F3C#131F3C

HEX#131F3C

RGBrgb(19, 31, 60)

RGB (0–1)0.0745, 0.1216, 0.2353

RGB percentages7.5%, 12.2%, 23.5%

HSLhsl(222.4, 51.9%, 15.5%)

HSV / HSBhsv(222.4, 68.3%, 23.5%)

CMYK68.3%, 48.3%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,253,180

CSS custom property--colour: #131F3C;

Brightness & contrast

Relative luminance0.01445WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.29:1

Contrast with white16.29:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#ECE0C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#12223Dno red cones; affects about 1% of men; ΔE 2.5 from the original

Deuteranopia#0D1E3Bno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#00252Ano blue cones; rare, and affects men and women equally; ΔE 21 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.29:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 24.4 Dark slate grey · ΔE 30.6 Dark slateblue · ΔE 35.2 Dim grey · ΔE 38.4 Midnight blue · ΔE 39.4 Slate grey · ΔE 42.5

Nearest named CSS colourBlack (#000000)ΔE 24.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C3013

Analogous#13333C, #1C133C

Triadic#3C131F, #1F3C13

Split complementary#3C1C13, #343C13

Tetradic#3C1333, #3C3013, #133C1C

Tints, shades & saturation

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

Lighter +40%#5375C8

Lighter +30%#385BB0

Lighter +20%#2C4789

Lighter +10%#1F3363

Darker −10%#070B15

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#091B46

Less saturated −25%#1D2332

Channel breakdown

R19

G31

B60

Red19 (7.5%)

Green31 (12.2%)

Blue60 (23.5%)

Hue222.44°

Saturation (HSL)51.9%

Lightness15.49%

Dominant channelBlue

Hex per channelR 13 · G 1F · B 3C

Keep nerding

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

#131F3C

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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