Colour

#3F272F

#3F272F
Red
Dark
Nearest: Black

#3F272F is a red with RGB values 63, 39, 47 and HSL 340°, 24%, 20%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F272F#3F272F

HEX#3F272F

RGBrgb(63, 39, 47)

RGB (0–1)0.2471, 0.1529, 0.1843

RGB percentages24.7%, 15.3%, 18.4%

HSLhsl(340, 23.5%, 20%)

HSV / HSBhsv(340, 38.1%, 24.7%)

CMYK0%, 38.1%, 25.4%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,138,799

CSS custom property--colour: #3F272F;

Brightness & contrast

Relative luminance0.02713WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.61:1

Contrast with white13.61:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#C0D8D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2A2B2Fno red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#302F2Eno green cones; the most common form, about 1% of men; ΔE 12.6 from the original

Tritanopia#43262Ano blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.61:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Black · ΔE 22.7 Dark slate grey · ΔE 27.6 Dim grey · ΔE 28.5 Gray · ΔE 37 Slate grey · ΔE 38.4 Light slate grey · ΔE 41.3

Nearest named CSS colourBlack (#000000)ΔE 22.73, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#273F37

Analogous#3F273B, #3F2B27

Triadic#2F3F27, #272F3F

Split complementary#273F2B, #273B3F

Tetradic#3B3F27, #273F37, #2B273F

Tints, shades & saturation

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

Lighter +40%#B18191

Lighter +30%#9E6275

Lighter +20%#7E4E5E

Lighter +10%#5F3B46

Darker −10%#1F1417

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C1A2B

Less saturated −25%#333333

Channel breakdown

R63

G39

B47

Red63 (24.7%)

Green39 (15.3%)

Blue47 (18.4%)

Hue340°

Saturation (HSL)23.53%

Lightness20%

Dominant channelRed

Hex per channelR 3F · G 27 · B 2F

Keep nerding

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

#3F272F

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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