Colour

#1B2729

#1B2729
Cyan
Dark
Nearest: Black

#1B2729 is a cyan with RGB values 27, 39, 41 and HSL 189°, 21%, 13%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B2729#1B2729

HEX#1B2729

RGBrgb(27, 39, 41)

RGB (0–1)0.1059, 0.1529, 0.1608

RGB percentages10.6%, 15.3%, 16.1%

HSLhsl(188.6, 20.6%, 13.3%)

HSV / HSBhsv(188.6, 34.1%, 16.1%)

CMYK34.1%, 4.9%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,779,497

CSS custom property--colour: #1B2729;

Brightness & contrast

Relative luminance0.01844WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.34:1

Contrast with white15.34:1WCAG normal text: AAA

Contrast with black1.37:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#E4D8D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#252629no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#232429no green cones; the most common form, about 1% of men; ΔE 5.4 from the original

Tritanopia#162828no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.34:1WCAG large text: AAA

Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Black · ΔE 15.6 Dark slate grey · ΔE 18.1 Dim grey · ΔE 30.3 Slate grey · ΔE 39 Gray · ΔE 39.3 Teal · ΔE 41.8

Nearest named CSS colourBlack (#000000)ΔE 15.63, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#291D1B

Analogous#1B2924, #1B2029

Triadic#291B27, #27291B

Split complementary#291B20, #29241B

Tetradic#241B29, #291D1B, #20291B

Tints, shades & saturation

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

Lighter +40%#6F9AA1

Lighter +30%#587F85

Lighter +20%#446267

Lighter +10%#2F4448

Darker −10%#070A0A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#132D31

Less saturated −25%#222222

Channel breakdown

R27

G39

B41

Red27 (10.6%)

Green39 (15.3%)

Blue41 (16.1%)

Hue188.57°

Saturation (HSL)20.59%

Lightness13.33%

Dominant channelBlue

Hex per channelR 1B · G 27 · B 29

Keep nerding

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

#1B2729

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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