Recognised as Colour

#091B2A

#091B2A
Blue
Dark
Nearest: Black

#091B2A is a blue with RGB values 9, 27, 42 and HSL 207°, 65%, 10%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#091B2A#091B2A

HEX#091B2A

RGBrgb(9, 27, 42)

RGB (0–1)0.0353, 0.1059, 0.1647

RGB percentages3.5%, 10.6%, 16.5%

HSLhsl(207.3, 64.7%, 10%)

HSV / HSBhsv(207.3, 78.6%, 16.5%)

CMYK78.6%, 35.7%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer596,778

CSS custom property--colour: #091B2A;

Brightness & contrast

Relative luminance0.01009WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.47:1

Contrast with white17.47:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#F6E4D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#141B2Bno red cones; affects about 1% of men; ΔE 3.7 from the original

Deuteranopia#10182Ano green cones; the most common form, about 1% of men; ΔE 4.4 from the original

Tritanopia#001F20no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.47:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 15.4 Dark slate grey · ΔE 26 Dim grey · ΔE 37.5 Slate grey · ΔE 43.8 Dark slateblue · ΔE 45.9 Gray · ΔE 46.2

Nearest named CSS colourBlack (#000000)ΔE 15.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A1809

Analogous#092A28, #090B2A

Triadic#2A091B, #1B2A09

Split complementary#2A090B, #2A2809

Tetradic#28092A, #2A1809, #0B2A09

Tints, shades & saturation

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

Lighter +40%#2D87D2

Lighter +30%#246CA8

Lighter +20%#1B517E

Lighter +10%#123654

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#031C30

Less saturated −25%#0F1A24

Channel breakdown

G27

B42

Red9 (3.5%)

Green27 (10.6%)

Blue42 (16.5%)

Hue207.27°

Saturation (HSL)64.71%

Lightness10%

Dominant channelBlue

Hex per channelR 09 · G 1B · B 2A

Keep nerding

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

#091B2A

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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