Colour

#091828

#091828
Blue
Dark
Nearest: Black

#091828 is a blue with RGB values 9, 24, 40 and HSL 211°, 63%, 10%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#091828#091828

HEX#091828

RGBrgb(9, 24, 40)

RGB (0–1)0.0353, 0.0941, 0.1569

RGB percentages3.5%, 9.4%, 15.7%

HSLhsl(211, 63.3%, 9.6%)

HSV / HSBhsv(211, 77.5%, 15.7%)

CMYK77.5%, 40%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer596,008

CSS custom property--colour: #091828;

Brightness & contrast

Relative luminance0.00865WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.9:1

Contrast with white17.9:1WCAG normal text: AAA

Contrast with black1.17:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#F6E7D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#111929no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#0D1628no green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#001C1Eno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.9:1WCAG large text: AAA

Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 15 Dark slate grey · ΔE 27.8 Dim grey · ΔE 38.8 Slate grey · ΔE 45.1 Dark slateblue · ΔE 45.4 Gray · ΔE 47.5

Nearest named CSS colourBlack (#000000)ΔE 15.03, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#281909

Analogous#092728, #0A0928

Triadic#280918, #182809

Split complementary#280A09, #272809

Tetradic#280927, #281909, #09280A

Tints, shades & saturation

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

Lighter +40%#2E7CCF

Lighter +30%#2563A5

Lighter +20%#1C4A7B

Lighter +10%#123152

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#03182E

Less saturated −25%#0F1822

Channel breakdown

G24

B40

Red9 (3.5%)

Green24 (9.4%)

Blue40 (15.7%)

Hue210.97°

Saturation (HSL)63.27%

Lightness9.61%

Dominant channelBlue

Hex per channelR 09 · G 18 · B 28

Keep nerding

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

#091828

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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