Recognised as Colour

#5B031F

#5B031F
Red
Dark
Nearest: Maroon

#5B031F is a red with RGB values 91, 3, 31 and HSL 341°, 94%, 18%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#5B031F#5B031F

HEX#5B031F

RGBrgb(91, 3, 31)

RGB (0–1)0.3569, 0.0118, 0.1216

RGB percentages35.7%, 1.2%, 12.2%

HSLhsl(340.9, 93.6%, 18.4%)

HSV / HSBhsv(340.9, 96.7%, 35.7%)

CMYK0%, 96.7%, 65.9%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,964,575

CSS custom property--colour: #5B031F;

Brightness & contrast

Relative luminance0.02388WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.21:1

Contrast with white14.21:1WCAG normal text: AAA

Contrast with black1.48:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#A4FCE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#201F1Fno red cones; affects about 1% of men; ΔE 39.2 from the original

Deuteranopia#35311Dno green cones; the most common form, about 1% of men; ΔE 40.3 from the original

Tritanopia#650010no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

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

Contrast with white, large text14.21:1WCAG large text: AAA

Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Maroon · ΔE 31.3 Brown · ΔE 31.3 Dark red · ΔE 35.9 Sienna · ΔE 38.2 Indian red · ΔE 38.7 Saddle brown · ΔE 39.1

Nearest named CSS colourMaroon (#800000)ΔE 31.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#035B3F

Analogous#5B034B, #5B1303

Triadic#1F5B03, #031F5B

Split complementary#035B13, #034B5B

Tetradic#4B5B03, #035B3F, #13035B

Tints, shades & saturation

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

Lighter +40%#F83271

Lighter +30%#EF0851

Lighter +20%#BE0641

Lighter +10%#8C0530

Darker −10%#2A010E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5E001E

Less saturated −25%#4F0F23

Channel breakdown

R91

B31

Red91 (35.7%)

Green3 (1.2%)

Blue31 (12.2%)

Hue340.91°

Saturation (HSL)93.62%

Lightness18.43%

Dominant channelRed

Hex per channelR 5B · G 03 · B 1F

Keep nerding

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

#5B031F

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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