Colour

#2F3E40

#2F3E40
Cyan
Dark
Nearest: Dark slate grey

#2F3E40 is a cyan with RGB values 47, 62, 64 and HSL 187°, 15%, 22%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F3E40#2F3E40

HEX#2F3E40

RGBrgb(47, 62, 64)

RGB (0–1)0.1843, 0.2431, 0.251

RGB percentages18.4%, 24.3%, 25.1%

HSLhsl(187.1, 15.3%, 21.8%)

HSV / HSBhsv(187.1, 26.6%, 25.1%)

CMYK26.6%, 3.1%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,096,128

CSS custom property--colour: #2F3E40;

Brightness & contrast

Relative luminance0.0442WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.15:1

Contrast with white11.15:1WCAG normal text: AAA

Contrast with black1.88:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#D0C1BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C3D40no red cones; affects about 1% of men; ΔE 6 from the original

Deuteranopia#383A40no green cones; the most common form, about 1% of men; ΔE 6.2 from the original

Tritanopia#2A3F3Fno blue cones; rare, and affects men and women equally; ΔE 2.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.15:1WCAG large text: AAA

Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.8 Dim grey · ΔE 20.4 Black · ΔE 25.8 Slate grey · ΔE 29 Gray · ΔE 29.3 Light slate grey · ΔE 32.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.82, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40312F

Analogous#2F4039, #2F3640

Triadic#402F3E, #3E402F

Split complementary#402F36, #403A2F

Tetradic#392F40, #40312F, #36402F

Tints, shades & saturation

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

Lighter +40%#8FA9AC

Lighter +30%#719297

Lighter +20%#5A777B

Lighter +10%#455A5D

Darker −10%#192223

Darker −20%#040505

Darker −30%#000000

Darker −40%#000000

More saturated +25%#21494E

Less saturated −25%#383838

Channel breakdown

R47

G62

B64

Red47 (18.4%)

Green62 (24.3%)

Blue64 (25.1%)

Hue187.06°

Saturation (HSL)15.32%

Lightness21.76%

Dominant channelBlue

Hex per channelR 2F · G 3E · B 40

Keep nerding

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

#2F3E40

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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