Colour

#B3583B

#B3583B
Red
Dark
Nearest: Sienna

#B3583B is a red with RGB values 179, 88, 59 and HSL 15°, 50%, 47%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B3583B#B3583B

HEX#B3583B

RGBrgb(179, 88, 59)

RGB (0–1)0.702, 0.3451, 0.2314

RGB percentages70.2%, 34.5%, 23.1%

HSLhsl(14.5, 50.4%, 46.7%)

HSV / HSBhsv(14.5, 67%, 70.2%)

CMYK0%, 50.8%, 67%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,753,531

CSS custom property--colour: #B3583B;

Brightness & contrast

Relative luminance0.16879WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.8:1

Contrast with white4.8:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#696969

Inverted#4CA7C4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706638no red cones; affects about 1% of men; ΔE 38.5 from the original

Deuteranopia#867A39no green cones; the most common form, about 1% of men; ΔE 39.1 from the original

Tritanopia#C44651no blue cones; rare, and affects men and women equally; ΔE 20.6 from the original

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

Contrast with white, large text4.8:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Sienna · ΔE 7.1 Saddle brown · ΔE 15.3 Indian red · ΔE 16.2 Brown · ΔE 18.6 Salmon · ΔE 22.3 Firebrick · ΔE 23.4

Nearest named CSS colourSienna (#A0522D)ΔE 7.15, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B96B3

Analogous#B33B5A, #B3943B

Triadic#3BB358, #583BB3

Split complementary#3BB394, #3B5AB3

Tetradic#5AB33B, #3B96B3, #943BB3

Tints, shades & saturation

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

Lighter +40%#EED4CC

Lighter +30%#E2B4A5

Lighter +20%#D5947F

Lighter +10%#C87459

Darker −10%#8D452E

Darker −20%#663222

Darker −30%#401F15

Darker −40%#1A0D08

More saturated +25%#D1491D

Less saturated −25%#956759

Channel breakdown

R179

G88

B59

Red179 (70.2%)

Green88 (34.5%)

Blue59 (23.1%)

Hue14.5°

Saturation (HSL)50.42%

Lightness46.67%

Dominant channelRed

Hex per channelR B3 · G 58 · B 3B

Keep nerding

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

#B3583B

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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