Colour

#2D373B

#2D373B
Cyan
Dark
Nearest: Dark slate grey

#2D373B is a cyan with RGB values 45, 55, 59 and HSL 197°, 13%, 20%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2D373B#2D373B

HEX#2D373B

RGBrgb(45, 55, 59)

RGB (0–1)0.1765, 0.2157, 0.2314

RGB percentages17.6%, 21.6%, 23.1%

HSLhsl(197.1, 13.5%, 20.4%)

HSV / HSBhsv(197.1, 23.7%, 23.1%)

CMYK23.7%, 6.8%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,963,259

CSS custom property--colour: #2D373B;

Brightness & contrast

Relative luminance0.03606WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.2:1

Contrast with white12.2:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#D2C8C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#35363Bno red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#33353Bno green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#293838no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.2:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4 Dim grey · ΔE 22.6 Black · ΔE 22.9 Slate grey · ΔE 31.2 Gray · ΔE 31.7 Light slate grey · ΔE 34.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.41, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B312D

Analogous#2D3B38, #2D303B

Triadic#3B2D37, #373B2D

Split complementary#3B2D30, #3B382D

Tetradic#382D3B, #3B312D, #303B2D

Tints, shades & saturation

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

Lighter +40%#8CA0A8

Lighter +30%#6F8892

Lighter +20%#596D75

Lighter +10%#435258

Darker −10%#171C1E

Darker −20%#010101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#203D48

Less saturated −25%#343434

Channel breakdown

R45

G55

B59

Red45 (17.6%)

Green55 (21.6%)

Blue59 (23.1%)

Hue197.14°

Saturation (HSL)13.46%

Lightness20.39%

Dominant channelBlue

Hex per channelR 2D · G 37 · B 3B

Keep nerding

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#2D373B

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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