Colour

#42443F

#42443F
Grey
Dark
Nearest: Dark slate grey

#42443F is a grey with RGB values 66, 68, 63 and HSL 84°, 4%, 26%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#42443F#42443F

HEX#42443F

RGBrgb(66, 68, 63)

RGB (0–1)0.2588, 0.2667, 0.2471

RGB percentages25.9%, 26.7%, 24.7%

HSLhsl(84, 3.8%, 25.7%)

HSV / HSBhsv(84, 7.4%, 26.7%)

CMYK2.9%, 0%, 7.4%, 73.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,342,847

CSS custom property--colour: #42443F;

Brightness & contrast

Relative luminance0.05651WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.86:1

Contrast with white9.86:1WCAG normal text: AAA

Contrast with black2.13:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#BDBBC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#45433Fno red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#44433Fno green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#424343no 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 text9.86:1WCAG large text: AAA

Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12 Dim grey · ΔE 16.2 Gray · ΔE 25.3 Slate grey · ΔE 27.7 Black · ΔE 28.7 Light slate grey · ΔE 30.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.05, a distinctly different colour

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#413F44

Analogous#44433F, #40443F

Triadic#3F4244, #443F42

Split complementary#3F3F44, #433F44

Tetradic#3F4443, #413F44, #443F3F

Tints, shades & saturation

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

Lighter +40%#A8ABA4

Lighter +30%#8F928A

Lighter +20%#757970

Lighter +10%#5C5E58

Darker −10%#282A26

Darker −20%#0F0F0E

Darker −30%#000000

Darker −40%#000000

More saturated +25%#45542F

Less saturated −25%#424242

Channel breakdown

R66

G68

B63

Red66 (25.9%)

Green68 (26.7%)

Blue63 (24.7%)

Hue84°

Saturation (HSL)3.82%

Lightness25.69%

Dominant channelGreen

Hex per channelR 42 · G 44 · B 3F

Keep nerding

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

#42443F

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