Colour

#3F0C09

#3F0C09
Red
Dark
Nearest: Black

#3F0C09 is a red with RGB values 63, 12, 9 and HSL 3°, 75%, 14%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F0C09#3F0C09

HEX#3F0C09

RGBrgb(63, 12, 9)

RGB (0–1)0.2471, 0.0471, 0.0353

RGB percentages24.7%, 4.7%, 3.5%

HSLhsl(3.3, 75%, 14.1%)

HSV / HSBhsv(3.3, 85.7%, 24.7%)

CMYK0%, 81%, 85.7%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,131,849

CSS custom property--colour: #3F0C09;

Brightness & contrast

Relative luminance0.01339WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.56:1

Contrast with white16.56:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#C0F3F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1808no red cones; affects about 1% of men; ΔE 26.7 from the original

Deuteranopia#282307no green cones; the most common form, about 1% of men; ΔE 26.6 from the original

Tritanopia#46000Cno 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 text16.56:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 30.5 Maroon · ΔE 36.4 Saddle brown · ΔE 37.3 Sienna · ΔE 39 Brown · ΔE 39.8 Dark red · ΔE 41.4

Nearest named CSS colourBlack (#000000)ΔE 30.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#093C3F

Analogous#3F0921, #3F2709

Triadic#093F0C, #0C093F

Split complementary#093F27, #09213F

Tetradic#213F09, #093C3F, #27093F

Tints, shades & saturation

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

Lighter +40%#E23C32

Lighter +30%#C5251C

Lighter +20%#981D16

Lighter +10%#6C140F

Darker −10%#120303

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#480400

Less saturated −25%#361412

Channel breakdown

R63

G12

Red63 (24.7%)

Green12 (4.7%)

Blue9 (3.5%)

Hue3.33°

Saturation (HSL)75%

Lightness14.12%

Dominant channelRed

Hex per channelR 3F · G 0C · B 09

Keep nerding

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

#3F0C09

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