Colour

#55011E

#55011E
Red
Dark
Nearest: Maroon

#55011E is a red with RGB values 85, 1, 30 and HSL 339°, 98%, 17%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#55011E#55011E

HEX#55011E

RGBrgb(85, 1, 30)

RGB (0–1)0.3333, 0.0039, 0.1176

RGB percentages33.3%, 0.4%, 11.8%

HSLhsl(339.3, 97.7%, 16.9%)

HSV / HSBhsv(339.3, 98.8%, 33.3%)

CMYK0%, 98.8%, 64.7%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,570,846

CSS custom property--colour: #55011E;

Brightness & contrast

Relative luminance0.02047WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.9:1

Contrast with white14.9:1WCAG normal text: AAA

Contrast with black1.41:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#AAFEE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C1C1Eno red cones; affects about 1% of men; ΔE 38 from the original

Deuteranopia#312D1Cno green cones; the most common form, about 1% of men; ΔE 38.7 from the original

Tritanopia#5E000Fno 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 text14.9:1WCAG large text: AAA

Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Maroon · ΔE 33.7 Brown · ΔE 34 Dark red · ΔE 38.4 Sienna · ΔE 40.3 Black · ΔE 41 Indian red · ΔE 41.1

Nearest named CSS colourMaroon (#800000)ΔE 33.74, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#015538

Analogous#550148, #550E01

Triadic#1E5501, #011E55

Split complementary#01550E, #014855

Tetradic#485501, #015538, #0E0155

Tints, shades & saturation

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

Lighter +40%#FC2670

Lighter +30%#EC0353

Lighter +20%#BA0242

Lighter +10%#870230

Darker −10%#23000C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#56001E

Less saturated −25%#4A0C21

Channel breakdown

R85

B30

Red85 (33.3%)

Green1 (0.4%)

Blue30 (11.8%)

Hue339.29°

Saturation (HSL)97.67%

Lightness16.86%

Dominant channelRed

Hex per channelR 55 · G 01 · B 1E

Keep nerding

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

#55011E

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