Recognised as Colour

#1F132B

#1F132B
Violet
Dark
Nearest: Black

#1F132B is a violet with RGB values 31, 19, 43 and HSL 270°, 39%, 12%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F132B#1F132B

HEX#1F132B

RGBrgb(31, 19, 43)

RGB (0–1)0.1216, 0.0745, 0.1686

RGB percentages12.2%, 7.5%, 16.9%

HSLhsl(270, 38.7%, 12.2%)

HSV / HSBhsv(270, 55.8%, 16.9%)

CMYK27.9%, 55.8%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,036,523

CSS custom property--colour: #1F132B;

Brightness & contrast

Relative luminance0.00931WCAG 2.x, 0 is black and 1 is white

Perceived brightness26.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.7:1

Contrast with white17.7:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#E0ECD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0D182Cno red cones; affects about 1% of men; ΔE 9.6 from the original

Deuteranopia#10182Ano green cones; the most common form, about 1% of men; ΔE 9.5 from the original

Tritanopia#1D171Cno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.7:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 20.4 Dark slate grey · ΔE 34.7 Dark slateblue · ΔE 38.5 Dim grey · ΔE 40.5 Midnight blue · ΔE 41.2 Slate grey · ΔE 46.8

Nearest named CSS colourBlack (#000000)ΔE 20.45, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F2B13

Analogous#13132B, #2B132B

Triadic#2B1F13, #132B1F

Split complementary#2B2B13, #132B13

Tetradic#2B1313, #1F2B13, #132B2B

Tints, shades & saturation

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

Lighter +40%#8556B4

Lighter +30%#6C4295

Lighter +20%#523272

Lighter +10%#39234E

Darker −10%#060308

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F0B33

Less saturated −25%#1F1B23

Channel breakdown

R31

G19

B43

Red31 (12.2%)

Green19 (7.5%)

Blue43 (16.9%)

Hue270°

Saturation (HSL)38.71%

Lightness12.16%

Dominant channelBlue

Hex per channelR 1F · G 13 · B 2B

Keep nerding

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

#1F132B

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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