Recognised as Colour

#4B021C

#4B021C
Red
Dark
Nearest: Black

#4B021C is a red with RGB values 75, 2, 28 and HSL 339°, 95%, 15%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4B021C#4B021C

HEX#4B021C

RGBrgb(75, 2, 28)

RGB (0–1)0.2941, 0.0078, 0.1098

RGB percentages29.4%, 0.8%, 11%

HSLhsl(338.6, 94.8%, 15.1%)

HSV / HSBhsv(338.6, 97.3%, 29.4%)

CMYK0%, 97.3%, 62.7%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,915,740

CSS custom property--colour: #4B021C;

Brightness & contrast

Relative luminance0.01623WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.85:1

Contrast with white15.85:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#B4FDE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#18191Cno red cones; affects about 1% of men; ΔE 34.6 from the original

Deuteranopia#2B271Ano green cones; the most common form, about 1% of men; ΔE 34.7 from the original

Tritanopia#53000Eno blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

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

Contrast with white, large text15.85:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 36.7 Maroon · ΔE 37.5 Brown · ΔE 38.2 Dark red · ΔE 42.3 Sienna · ΔE 43 Saddle brown · ΔE 43.5

Nearest named CSS colourBlack (#000000)ΔE 36.69, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#024B31

Analogous#4B0241, #4B0C02

Triadic#1C4B02, #021C4B

Split complementary#024B0D, #02414B

Tetradic#414B02, #024B31, #0C024B

Tints, shades & saturation

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

Lighter +40%#F9206D

Lighter +30%#E00654

Lighter +20%#AE0541

Lighter +10%#7D032F

Darker −10%#190109

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4D001B

Less saturated −25%#410C1F

Channel breakdown

R75

B28

Red75 (29.4%)

Green2 (0.8%)

Blue28 (11%)

Hue338.63°

Saturation (HSL)94.81%

Lightness15.1%

Dominant channelRed

Hex per channelR 4B · G 02 · B 1C

Keep nerding

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

#4B021C

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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