Colour

#1B3941

#1B3941
Cyan
Dark
Nearest: Dark slate grey

#1B3941 is a cyan with RGB values 27, 57, 65 and HSL 193°, 41%, 18%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1B3941#1B3941

HEX#1B3941

RGBrgb(27, 57, 65)

RGB (0–1)0.1059, 0.2235, 0.2549

RGB percentages10.6%, 22.4%, 25.5%

HSLhsl(192.6, 41.3%, 18%)

HSV / HSBhsv(192.6, 58.5%, 25.5%)

CMYK58.5%, 12.3%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,784,129

CSS custom property--colour: #1B3941;

Brightness & contrast

Relative luminance0.03541WCAG 2.x, 0 is black and 1 is white

Perceived brightness51.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.29:1

Contrast with white12.29:1WCAG normal text: AAA

Contrast with black1.71:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#E4C6BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343741no red cones; affects about 1% of men; ΔE 10 from the original

Deuteranopia#2E3341no green cones; the most common form, about 1% of men; ΔE 10.3 from the original

Tritanopia#043C3Bno blue cones; rare, and affects men and women equally; ΔE 9.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.29:1WCAG large text: AAA

Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.8 Black · ΔE 25.1 Dim grey · ΔE 25.3 Slate grey · ΔE 31.5 Teal · ΔE 33.1 Gray · ΔE 33.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.78, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#41231B

Analogous#1B4136, #1B2641

Triadic#411B39, #39411B

Split complementary#411B26, #41361B

Tetradic#361B41, #41231B, #26411B

Tints, shades & saturation

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

Lighter +40%#68AEC0

Lighter +30%#4898AD

Lighter +20%#397889

Lighter +10%#2A5965

Darker −10%#0C191D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#10404D

Less saturated −25%#273235

Channel breakdown

R27

G57

B65

Red27 (10.6%)

Green57 (22.4%)

Blue65 (25.5%)

Hue192.63°

Saturation (HSL)41.3%

Lightness18.04%

Dominant channelBlue

Hex per channelR 1B · G 39 · B 41

Keep nerding

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

#1B3941

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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