Colour

#1D3539

#1D3539
Cyan
Dark
Nearest: Dark slate grey

#1D3539 is a cyan with RGB values 29, 53, 57 and HSL 189°, 33%, 17%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D3539#1D3539

HEX#1D3539

RGBrgb(29, 53, 57)

RGB (0–1)0.1137, 0.2078, 0.2235

RGB percentages11.4%, 20.8%, 22.4%

HSLhsl(188.6, 32.6%, 16.9%)

HSV / HSBhsv(188.6, 49.1%, 22.4%)

CMYK49.1%, 7%, 0%, 77.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,914,169

CSS custom property--colour: #1D3539;

Brightness & contrast

Relative luminance0.03103WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.96:1

Contrast with white12.96:1WCAG normal text: AAA

Contrast with black1.62:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#E2CAC6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#313339no red cones; affects about 1% of men; ΔE 8.8 from the original

Deuteranopia#2D3039no green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#103736no blue cones; rare, and affects men and women equally; ΔE 6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.96:1WCAG large text: AAA

Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.5 Black · ΔE 22.6 Dim grey · ΔE 25.9 Slate grey · ΔE 33.3 Gray · ΔE 34.5 Teal · ΔE 34.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.54, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#39211D

Analogous#1D392F, #1D2739

Triadic#391D35, #35391D

Split complementary#391D27, #392F1D

Tetradic#2F1D39, #39211D, #27391D

Tints, shades & saturation

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

Lighter +40%#6DABB5

Lighter +30%#51939E

Lighter +20%#3F747D

Lighter +10%#2E545B

Darker −10%#0C1617

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#123D44

Less saturated −25%#282D2E

Channel breakdown

R29

G53

B57

Red29 (11.4%)

Green53 (20.8%)

Blue57 (22.4%)

Hue188.57°

Saturation (HSL)32.56%

Lightness16.86%

Dominant channelBlue

Hex per channelR 1D · G 35 · B 39

Keep nerding

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

#1D3539

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

Nerdulate something else