Colour

#55170F

#55170F
Red
Dark
Nearest: Maroon

#55170F is a red with RGB values 85, 23, 15 and HSL 7°, 70%, 20%. 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

#55170F#55170F

HEX#55170F

RGBrgb(85, 23, 15)

RGB (0–1)0.3333, 0.0902, 0.0588

RGB percentages33.3%, 9%, 5.9%

HSLhsl(6.9, 70%, 19.6%)

HSV / HSBhsv(6.9, 82.4%, 33.3%)

CMYK0%, 72.9%, 82.4%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,576,463

CSS custom property--colour: #55170F;

Brightness & contrast

Relative luminance0.02579WCAG 2.x, 0 is black and 1 is white

Perceived brightness50 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.85:1

Contrast with white13.85:1WCAG normal text: AAA

Contrast with black1.52:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#AAE8F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29240Eno red cones; affects about 1% of men; ΔE 30.5 from the original

Deuteranopia#38320Dno green cones; the most common form, about 1% of men; ΔE 31.1 from the original

Tritanopia#5E0516no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original

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

Contrast with white, large text13.85:1WCAG large text: AAA

Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Maroon · ΔE 27.1 Saddle brown · ΔE 27.7 Sienna · ΔE 29.4 Brown · ΔE 30.4 Dark red · ΔE 32 Firebrick · ΔE 38.5

Nearest named CSS colourMaroon (#800000)ΔE 27.14, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F4D55

Analogous#550F2A, #553A0F

Triadic#0F5517, #170F55

Split complementary#0F553A, #0F2A55

Tetradic#2A550F, #0F4D55, #3A0F55

Tints, shades & saturation

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

Lighter +40%#E06050

Lighter +30%#D73A26

Lighter +20%#AC2E1E

Lighter +10%#802317

Darker −10%#2A0B07

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#620D03

Less saturated −25%#49211C

Channel breakdown

R85

G23

B15

Red85 (33.3%)

Green23 (9%)

Blue15 (5.9%)

Hue6.86°

Saturation (HSL)70%

Lightness19.61%

Dominant channelRed

Hex per channelR 55 · G 17 · B 0F

Keep nerding

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#55170F

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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