Recognised as Colour

#3F201D

#3F201D
Red
Dark
Nearest: Black

#3F201D is a red with RGB values 63, 32, 29 and HSL 5°, 37%, 18%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F201D#3F201D

HEX#3F201D

RGBrgb(63, 32, 29)

RGB (0–1)0.2471, 0.1255, 0.1137

RGB percentages24.7%, 12.5%, 11.4%

HSLhsl(5.3, 37%, 18%)

HSV / HSBhsv(5.3, 54%, 24.7%)

CMYK0%, 49.2%, 54%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,136,989

CSS custom property--colour: #3F201D;

Brightness & contrast

Relative luminance0.02178WCAG 2.x, 0 is black and 1 is white

Perceived brightness43.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.63:1

Contrast with white14.63:1WCAG normal text: AAA

Contrast with black1.44:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#C0DFE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27251Dno red cones; affects about 1% of men; ΔE 15.7 from the original

Deuteranopia#2F2B1Cno green cones; the most common form, about 1% of men; ΔE 15.8 from the original

Tritanopia#451C1Fno blue cones; rare, and affects men and women equally; ΔE 5.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.63:1WCAG large text: AAA

Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Black · ΔE 23.6 Dark slate grey · ΔE 32.6 Dim grey · ΔE 32.7 Saddle brown · ΔE 40.4 Gray · ΔE 40.9 Sienna · ΔE 41.2

Nearest named CSS colourBlack (#000000)ΔE 23.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D3C3F

Analogous#3F1D2B, #3F311D

Triadic#1D3F20, #201D3F

Split complementary#1D3F31, #1D2B3F

Tetradic#2B3F1D, #1D3C3F, #311D3F

Tints, shades & saturation

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

Lighter +40%#BC736C

Lighter +30%#A8554D

Lighter +20%#85433D

Lighter +10%#62322D

Darker −10%#1C0E0D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4B1711

Less saturated −25%#342929

Channel breakdown

R63

G32

B29

Red63 (24.7%)

Green32 (12.5%)

Blue29 (11.4%)

Hue5.29°

Saturation (HSL)36.96%

Lightness18.04%

Dominant channelRed

Hex per channelR 3F · G 20 · B 1D

Keep nerding

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

#3F201D

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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