Colour

#22283A

#22283A
Blue
Dark
Nearest: Black

#22283A is a blue with RGB values 34, 40, 58 and HSL 225°, 26%, 18%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#22283A#22283A

HEX#22283A

RGBrgb(34, 40, 58)

RGB (0–1)0.1333, 0.1569, 0.2275

RGB percentages13.3%, 15.7%, 22.7%

HSLhsl(225, 26.1%, 18%)

HSV / HSBhsv(225, 41.4%, 22.7%)

CMYK41.4%, 31%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,238,522

CSS custom property--colour: #22283A;

Brightness & contrast

Relative luminance0.02163WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.66:1

Contrast with white14.66:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#DDD7C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#222A3Bno red cones; affects about 1% of men; ΔE 1.4 from the original

Deuteranopia#20283Ano green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#1B2C2Eno blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.66:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Black · ΔE 20.7 Dark slate grey · ΔE 22.6 Dim grey · ΔE 30.8 Slate grey · ΔE 36.9 Gray · ΔE 39.4 Light slate grey · ΔE 39.9

Nearest named CSS colourBlack (#000000)ΔE 20.69, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A3422

Analogous#22343A, #28223A

Triadic#3A2228, #283A22

Split complementary#3A2822, #343A22

Tetradic#3A2234, #3A3422, #223A28

Tints, shades & saturation

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

Lighter +40%#7886B0

Lighter +30%#5B6B9A

Lighter +20%#48547A

Lighter +10%#353E5A

Darker −10%#0F121A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#162246

Less saturated −25%#2E2E2F

Channel breakdown

R34

G40

B58

Red34 (13.3%)

Green40 (15.7%)

Blue58 (22.7%)

Hue225°

Saturation (HSL)26.09%

Lightness18.04%

Dominant channelBlue

Hex per channelR 22 · G 28 · B 3A

Keep nerding

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

#22283A

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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