Colour

#3F090F

#3F090F
Red
Dark
Nearest: Black

#3F090F is a red with RGB values 63, 9, 15 and HSL 353°, 75%, 14%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F090F#3F090F

HEX#3F090F

RGBrgb(63, 9, 15)

RGB (0–1)0.2471, 0.0353, 0.0588

RGB percentages24.7%, 3.5%, 5.9%

HSLhsl(353.3, 75%, 14.1%)

HSV / HSBhsv(353.3, 85.7%, 24.7%)

CMYK0%, 85.7%, 76.2%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,131,087

CSS custom property--colour: #3F090F;

Brightness & contrast

Relative luminance0.01287WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.7:1

Contrast with white16.7:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#C0F6F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#19170Fno red cones; affects about 1% of men; ΔE 27.7 from the original

Deuteranopia#26220Dno green cones; the most common form, about 1% of men; ΔE 28 from the original

Tritanopia#46000Cno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.7:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 30.4 Maroon · ΔE 37.7 Saddle brown · ΔE 39.9 Brown · ΔE 40.5 Sienna · ΔE 41 Dark red · ΔE 42.8

Nearest named CSS colourBlack (#000000)ΔE 30.39, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#093F39

Analogous#3F092A, #3F1E09

Triadic#0F3F09, #090F3F

Split complementary#093F1E, #092A3F

Tetradic#2A3F09, #093F39, #1E093F

Tints, shades & saturation

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

Lighter +40%#E23246

Lighter +30%#C51C2F

Lighter +20%#981624

Lighter +10%#6C0F1A

Darker −10%#120304

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#480008

Less saturated −25%#361216

Channel breakdown

R63

B15

Red63 (24.7%)

Green9 (3.5%)

Blue15 (5.9%)

Hue353.33°

Saturation (HSL)75%

Lightness14.12%

Dominant channelRed

Hex per channelR 3F · G 09 · B 0F

Keep nerding

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

#3F090F

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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