Recognised as Colour

#2B0037

#2B0037
Violet
Dark
Nearest: Midnight blue

#2B0037 is a violet with RGB values 43, 0, 55 and HSL 287°, 100%, 11%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B0037#2B0037

HEX#2B0037

RGBrgb(43, 0, 55)

RGB (0–1)0.1686, 0, 0.2157

RGB percentages16.9%, 0%, 21.6%

HSLhsl(286.9, 100%, 10.8%)

HSV / HSBhsv(286.9, 100%, 21.6%)

CMYK21.8%, 100%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,818,103

CSS custom property--colour: #2B0037;

Brightness & contrast

Relative luminance0.00789WCAG 2.x, 0 is black and 1 is white

Perceived brightness30 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.14:1

Contrast with white18.14:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#0D0D0D

Inverted#D4FFC8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001338no red cones; affects about 1% of men; ΔE 21.4 from the original

Deuteranopia#011736no green cones; the most common form, about 1% of men; ΔE 25.2 from the original

Tritanopia#2A0C1Cno blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.14:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 26.3 Dark slateblue · ΔE 29.7 Rebecca purple · ΔE 36.2 Indigo · ΔE 37.9 Purple · ΔE 38.1 Black · ΔE 40.1

Nearest named CSS colourMidnight blue (#191970)ΔE 26.32, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C3700

Analogous#100037, #370027

Triadic#372B00, #00372B

Split complementary#273700, #003710

Tetradic#371000, #0C3700, #002737

Tints, shades & saturation

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

Lighter +40%#C804FF

Lighter +30%#A300D0

Lighter +20%#7B009D

Lighter +10%#53006A

Darker −10%#030004

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2B0037

Less saturated −25%#270730

Channel breakdown

R43

B55

Red43 (16.9%)

Green0 (0%)

Blue55 (21.6%)

Hue286.91°

Saturation (HSL)100%

Lightness10.78%

Dominant channelBlue

Hex per channelR 2B · G 00 · B 37

Keep nerding

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

#2B0037

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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