Colour

#3F1D16

#3F1D16
Red
Dark
Nearest: Black

#3F1D16 is a red with RGB values 63, 29, 22 and HSL 10°, 48%, 17%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F1D16#3F1D16

HEX#3F1D16

RGBrgb(63, 29, 22)

RGB (0–1)0.2471, 0.1137, 0.0863

RGB percentages24.7%, 11.4%, 8.6%

HSLhsl(10.2, 48.2%, 16.7%)

HSV / HSBhsv(10.2, 65.1%, 24.7%)

CMYK0%, 54%, 65.1%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,136,214

CSS custom property--colour: #3F1D16;

Brightness & contrast

Relative luminance0.01993WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.01:1

Contrast with white15.01:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#C0E2E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#252215no red cones; affects about 1% of men; ΔE 17.3 from the original

Deuteranopia#2E2915no green cones; the most common form, about 1% of men; ΔE 17.1 from the original

Tritanopia#45171Bno blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.01:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Black · ΔE 25.2 Dim grey · ΔE 35.2 Dark slate grey · ΔE 35.5 Saddle brown · ΔE 37.7 Sienna · ΔE 39.2 Maroon · ΔE 42.5

Nearest named CSS colourBlack (#000000)ΔE 25.24, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16383F

Analogous#3F1624, #3F3216

Triadic#163F1D, #1D163F

Split complementary#163F32, #16243F

Tetradic#243F16, #16383F, #32163F

Tints, shades & saturation

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

Lighter +40%#C66D5B

Lighter +30%#B0513E

Lighter +20%#8B4030

Lighter +10%#652E23

Darker −10%#190C09

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A160B

Less saturated −25%#342421

Channel breakdown

R63

G29

B22

Red63 (24.7%)

Green29 (11.4%)

Blue22 (8.6%)

Hue10.24°

Saturation (HSL)48.24%

Lightness16.67%

Dominant channelRed

Hex per channelR 3F · G 1D · B 16

Keep nerding

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

#3F1D16

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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