Colour

#182B49

#182B49
Blue
Dark
Nearest: Dark slate grey

#182B49 is a blue with RGB values 24, 43, 73 and HSL 217°, 51%, 19%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#182B49#182B49

HEX#182B49

RGBrgb(24, 43, 73)

RGB (0–1)0.0941, 0.1686, 0.2863

RGB percentages9.4%, 16.9%, 28.6%

HSLhsl(216.7, 50.5%, 19%)

HSV / HSBhsv(216.7, 67.1%, 28.6%)

CMYK67.1%, 41.1%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,583,945

CSS custom property--colour: #182B49;

Brightness & contrast

Relative luminance0.02403WCAG 2.x, 0 is black and 1 is white

Perceived brightness43.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.18:1

Contrast with white14.18:1WCAG normal text: AAA

Contrast with black1.48:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#E7D4B6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E2D4Ano red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#182948no green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#003236no blue cones; rare, and affects men and women equally; ΔE 22 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.18:1WCAG large text: AAA

Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.7 Black · ΔE 27.5 Dark slateblue · ΔE 33.8 Dim grey · ΔE 34.3 Slate grey · ΔE 37.3 Steel blue · ΔE 37.5

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#493618

Analogous#184449, #1D1849

Triadic#49182B, #2B4918

Split complementary#491D18, #444918

Tetradic#491844, #493618, #18491D

Tints, shades & saturation

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

Lighter +40%#628BCB

Lighter +30%#3E6FBC

Lighter +20%#315896

Lighter +10%#25426F

Darker −10%#0B1423

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C2855

Less saturated −25%#242E3D

Channel breakdown

R24

G43

B73

Red24 (9.4%)

Green43 (16.9%)

Blue73 (28.6%)

Hue216.73°

Saturation (HSL)50.52%

Lightness19.02%

Dominant channelBlue

Hex per channelR 18 · G 2B · B 49

Keep nerding

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

#182B49

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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