Recognised as Colour

#174D39

#174D39
Cyan
Dark
Nearest: Dark slate grey

#174D39 is a cyan with RGB values 23, 77, 57 and HSL 158°, 54%, 20%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#174D39#174D39

HEX#174D39

RGBrgb(23, 77, 57)

RGB (0–1)0.0902, 0.302, 0.2235

RGB percentages9%, 30.2%, 22.4%

HSLhsl(157.8, 54%, 19.6%)

HSV / HSBhsv(157.8, 70.1%, 30.2%)

CMYK70.1%, 0%, 26%, 69.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,527,097

CSS custom property--colour: #174D39;

Brightness & contrast

Relative luminance0.05785WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.74:1

Contrast with white9.74:1WCAG normal text: AAA

Contrast with black2.16:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#E8B2C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B4738no red cones; affects about 1% of men; ΔE 22.3 from the original

Deuteranopia#44423Ano green cones; the most common form, about 1% of men; ΔE 22.5 from the original

Tritanopia#004D47no 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 text9.74:1WCAG large text: AAA

Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.7 Teal · ΔE 25.3 Dark olivegreen · ΔE 27.7 Dim grey · ΔE 28.8 Dark cyan · ΔE 29.1 Sea green · ΔE 31

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.75, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4D172B

Analogous#174D1E, #17464D

Triadic#39174D, #4D3917

Split complementary#4D1746, #4D1E17

Tetradic#1E174D, #4D172B, #464D17

Tints, shades & saturation

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

Lighter +40%#60D0A6

Lighter +30%#3AC390

Lighter +20%#2E9C73

Lighter +10%#237456

Darker −10%#0B261C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0A5A3C

Less saturated −25%#244136

Channel breakdown

R23

G77

B57

Red23 (9%)

Green77 (30.2%)

Blue57 (22.4%)

Hue157.78°

Saturation (HSL)54%

Lightness19.61%

Dominant channelGreen

Hex per channelR 17 · G 4D · B 39

Keep nerding

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

#174D39

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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