Recognised as Colour

#172F29

#172F29
Cyan
Dark
Nearest: Dark slate grey

#172F29 is a cyan with RGB values 23, 47, 41 and HSL 165°, 34%, 14%. 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

#172F29#172F29

HEX#172F29

RGBrgb(23, 47, 41)

RGB (0–1)0.0902, 0.1843, 0.1608

RGB percentages9%, 18.4%, 16.1%

HSLhsl(165, 34.3%, 13.7%)

HSV / HSBhsv(165, 51.1%, 18.4%)

CMYK51.1%, 0%, 12.8%, 81.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,519,401

CSS custom property--colour: #172F29;

Brightness & contrast

Relative luminance0.02375WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.24:1

Contrast with white14.24:1WCAG normal text: AAA

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

Greyscale equivalent#292929

Inverted#E8D0D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D2C29no red cones; affects about 1% of men; ΔE 11 from the original

Deuteranopia#292929no green cones; the most common form, about 1% of men; ΔE 11.3 from the original

Tritanopia#0F302Dno blue cones; rare, and affects men and women equally; ΔE 3.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.24:1WCAG large text: AAA

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

Named colours

Dark slate grey · ΔE 14.7 Black · ΔE 20.7 Dim grey · ΔE 29.3 Teal · ΔE 36.8 Gray · ΔE 37.9 Slate grey · ΔE 38.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.68, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F171D

Analogous#172F1D, #17292F

Triadic#29172F, #2F2917

Split complementary#2F1729, #2F1D17

Tetradic#1D172F, #2F171D, #292F17

Tints, shades & saturation

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

Lighter +40%#61B19D

Lighter +30%#499683

Lighter +20%#397365

Lighter +10%#285147

Darker −10%#060D0B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0E382D

Less saturated −25%#202625

Channel breakdown

R23

G47

B41

Red23 (9%)

Green47 (18.4%)

Blue41 (16.1%)

Hue165°

Saturation (HSL)34.29%

Lightness13.73%

Dominant channelGreen

Hex per channelR 17 · G 2F · B 29

Keep nerding

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

#172F29

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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