Colour

#184C39

#184C39
Cyan
Dark
Nearest: Dark slate grey

#184C39 is a cyan with RGB values 24, 76, 57 and HSL 158°, 52%, 20%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#184C39#184C39

HEX#184C39

RGBrgb(24, 76, 57)

RGB (0–1)0.0941, 0.298, 0.2235

RGB percentages9.4%, 29.8%, 22.4%

HSLhsl(158.1, 52%, 19.6%)

HSV / HSBhsv(158.1, 68.4%, 29.8%)

CMYK68.4%, 0%, 25%, 70.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,592,377

CSS custom property--colour: #184C39;

Brightness & contrast

Relative luminance0.05658WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.85:1

Contrast with white9.85:1WCAG normal text: AAA

Contrast with black2.13:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#E7B3C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A4638no red cones; affects about 1% of men; ΔE 21.7 from the original

Deuteranopia#43413Ano green cones; the most common form, about 1% of men; ΔE 22 from the original

Tritanopia#004C47no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.85:1WCAG large text: AAA

Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15 Teal · ΔE 25.4 Dark olivegreen · ΔE 28.1 Dim grey · ΔE 28.3 Dark cyan · ΔE 29.3 Sea green · ΔE 31.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.97, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4C182B

Analogous#184C1F, #18454C

Triadic#39184C, #4C3918

Split complementary#4C1845, #4C1F18

Tetradic#1F184C, #4C182B, #454C18

Tints, shades & saturation

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

Lighter +40%#62CEA6

Lighter +30%#3DC090

Lighter +20%#309A73

Lighter +10%#247356

Darker −10%#0C251C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B593C

Less saturated −25%#254036

Channel breakdown

R24

G76

B57

Red24 (9.4%)

Green76 (29.8%)

Blue57 (22.4%)

Hue158.08°

Saturation (HSL)52%

Lightness19.61%

Dominant channelGreen

Hex per channelR 18 · G 4C · B 39

Keep nerding

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

#184C39

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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