Colour

#49011F

#49011F
Red
Dark
Nearest: Black

#49011F is a red with RGB values 73, 1, 31 and HSL 335°, 97%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#49011F#49011F

HEX#49011F

RGBrgb(73, 1, 31)

RGB (0–1)0.2863, 0.0039, 0.1216

RGB percentages28.6%, 0.4%, 12.2%

HSLhsl(335, 97.3%, 14.5%)

HSV / HSBhsv(335, 98.6%, 28.6%)

CMYK0%, 98.6%, 57.5%, 71.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,784,415

CSS custom property--colour: #49011F;

Brightness & contrast

Relative luminance0.01537WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.06:1

Contrast with white16.06:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#B6FEE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#151820no red cones; affects about 1% of men; ΔE 34.2 from the original

Deuteranopia#28261Dno green cones; the most common form, about 1% of men; ΔE 35.1 from the original

Tritanopia#50000Fno blue cones; rare, and affects men and women equally; ΔE 13.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text16.06:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 36.2 Maroon · ΔE 40.4 Brown · ΔE 40.6 Dark red · ΔE 45.1 Sienna · ΔE 45.6 Saddle brown · ΔE 46.3

Nearest named CSS colourBlack (#000000)ΔE 36.24, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01492B

Analogous#490143, #490701

Triadic#1F4901, #011F49

Split complementary#014907, #014349

Tetradic#434901, #01492B, #070149

Tints, shades & saturation

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

Lighter +40%#FC1A78

Lighter +30%#E0035F

Lighter +20%#AE024A

Lighter +10%#7B0234

Darker −10%#17000A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A001F

Less saturated −25%#400A21

Channel breakdown

R73

B31

Red73 (28.6%)

Green1 (0.4%)

Blue31 (12.2%)

Hue335°

Saturation (HSL)97.3%

Lightness14.51%

Dominant channelRed

Hex per channelR 49 · G 01 · B 1F

Keep nerding

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#49011F

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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