Recognised as Colour

#1B0933

#1B0933
Violet
Dark
Nearest: Midnight blue

#1B0933 is a violet with RGB values 27, 9, 51 and HSL 266°, 70%, 12%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B0933#1B0933

HEX#1B0933

RGBrgb(27, 9, 51)

RGB (0–1)0.1059, 0.0353, 0.2

RGB percentages10.6%, 3.5%, 20%

HSLhsl(265.7, 70%, 11.8%)

HSV / HSBhsv(265.7, 82.4%, 20%)

CMYK47.1%, 82.4%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,771,827

CSS custom property--colour: #1B0933;

Brightness & contrast

Relative luminance0.00667WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.53:1

Contrast with white18.53:1WCAG normal text: AAA

Contrast with black1.13:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#E4F6CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001334no red cones; affects about 1% of men; ΔE 12.6 from the original

Deuteranopia#001332no green cones; the most common form, about 1% of men; ΔE 13.8 from the original

Tritanopia#15131Dno blue cones; rare, and affects men and women equally; ΔE 23.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.53:1WCAG large text: AAA

Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 30.1 Black · ΔE 31.5 Dark slateblue · ΔE 31.5 Rebecca purple · ΔE 42.5 Dark slate grey · ΔE 45 Indigo · ΔE 45.9

Nearest named CSS colourMidnight blue (#191970)ΔE 30.13, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#213309

Analogous#090C33, #300933

Triadic#331B09, #09331B

Split complementary#333009, #0C3309

Tetradic#33090C, #213309, #093330

Tints, shades & saturation

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

Lighter +40%#782EDA

Lighter +30%#6020B5

Lighter +20%#49188A

Lighter +10%#32115E

Darker −10%#040108

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1A023A

Less saturated −25%#1C102B

Channel breakdown

R27

B51

Red27 (10.6%)

Green9 (3.5%)

Blue51 (20%)

Hue265.71°

Saturation (HSL)70%

Lightness11.76%

Dominant channelBlue

Hex per channelR 1B · G 09 · B 33

Keep nerding

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#1B0933

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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