Colour

#55170C

#55170C
Red
Dark
Nearest: Maroon

#55170C is a red with RGB values 85, 23, 12 and HSL 9°, 75%, 19%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#55170C#55170C

HEX#55170C

RGBrgb(85, 23, 12)

RGB (0–1)0.3333, 0.0902, 0.0471

RGB percentages33.3%, 9%, 4.7%

HSLhsl(9, 75.3%, 19%)

HSV / HSBhsv(9, 85.9%, 33.3%)

CMYK0%, 72.9%, 85.9%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,576,460

CSS custom property--colour: #55170C;

Brightness & contrast

Relative luminance0.02571WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.87:1

Contrast with white13.87:1WCAG normal text: AAA

Contrast with black1.51:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#AAE8F3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29240Ano red cones; affects about 1% of men; ΔE 30.7 from the original

Deuteranopia#383209no green cones; the most common form, about 1% of men; ΔE 31.2 from the original

Tritanopia#5E0515no blue cones; rare, and affects men and women equally; ΔE 10.9 from the original

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

Contrast with white, large text13.87:1WCAG large text: AAA

Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Maroon · ΔE 26.4 Saddle brown · ΔE 26.7 Sienna · ΔE 28.8 Brown · ΔE 30.1 Dark red · ΔE 31.3 Firebrick · ΔE 38

Nearest named CSS colourMaroon (#800000)ΔE 26.37, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C4A55

Analogous#550C26, #553B0C

Triadic#0C5517, #170C55

Split complementary#0C553B, #0C2655

Tetradic#26550C, #0C4A55, #3C0C55

Tints, shades & saturation

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

Lighter +40%#E56048

Lighter +30%#DB3B1F

Lighter +20%#AE2F19

Lighter +10%#822312

Darker −10%#280B06

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#610F00

Less saturated −25%#491F18

Channel breakdown

R85

G23

B12

Red85 (33.3%)

Green23 (9%)

Blue12 (4.7%)

Hue9.04°

Saturation (HSL)75.26%

Lightness19.02%

Dominant channelRed

Hex per channelR 55 · G 17 · B 0C

Keep nerding

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#55170C

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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