Colour

#2A373A

#2A373A
Cyan
Dark
Nearest: Dark slate grey

#2A373A is a cyan with RGB values 42, 55, 58 and HSL 191°, 16%, 20%. 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

#2A373A#2A373A

HEX#2A373A

RGBrgb(42, 55, 58)

RGB (0–1)0.1647, 0.2157, 0.2275

RGB percentages16.5%, 21.6%, 22.7%

HSLhsl(191.3, 16%, 19.6%)

HSV / HSBhsv(191.3, 27.6%, 22.7%)

CMYK27.6%, 5.2%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,766,650

CSS custom property--colour: #2A373A;

Brightness & contrast

Relative luminance0.0353WCAG 2.x, 0 is black and 1 is white

Perceived brightness51.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.31:1

Contrast with white12.31:1WCAG normal text: AAA

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

Greyscale equivalent#343434

Inverted#D5C8C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#35363Ano red cones; affects about 1% of men; ΔE 5.2 from the original

Deuteranopia#32343Ano green cones; the most common form, about 1% of men; ΔE 5.2 from the original

Tritanopia#253838no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.31:1WCAG large text: AAA

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

Named colours

Dark slate grey · ΔE 11.7 Black · ΔE 22.8 Dim grey · ΔE 23.1 Slate grey · ΔE 31.6 Gray · ΔE 32.1 Light slate grey · ΔE 34.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.68, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A2D2A

Analogous#2A3A35, #2A2F3A

Triadic#3A2A37, #373A2A

Split complementary#3A2A2F, #3A352A

Tetradic#352A3A, #3A2D2A, #2F3A2A

Tints, shades & saturation

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

Lighter +40%#88A2A8

Lighter +30%#6A8B93

Lighter +20%#556F75

Lighter +10%#3F5358

Darker −10%#151B1C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E3F47

Less saturated −25%#323232

Channel breakdown

R42

G55

B58

Red42 (16.5%)

Green55 (21.6%)

Blue58 (22.7%)

Hue191.25°

Saturation (HSL)16%

Lightness19.61%

Dominant channelBlue

Hex per channelR 2A · G 37 · B 3A

Keep nerding

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

#2A373A

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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