Colour

#B33E37

#B33E37
Red
Dark
Nearest: Brown

#B33E37 is a red with RGB values 179, 62, 55 and HSL 3°, 53%, 46%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B33E37#B33E37

HEX#B33E37

RGBrgb(179, 62, 55)

RGB (0–1)0.702, 0.2431, 0.2157

RGB percentages70.2%, 24.3%, 21.6%

HSLhsl(3.4, 53%, 45.9%)

HSV / HSBhsv(3.4, 69.3%, 70.2%)

CMYK0%, 65.4%, 69.3%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,746,871

CSS custom property--colour: #B33E37;

Brightness & contrast

Relative luminance0.13305WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.74:1

Contrast with white5.74:1WCAG normal text: AA

Contrast with black3.66:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#4CC1C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5635no red cones; affects about 1% of men; ΔE 50.5 from the original

Deuteranopia#7B6F34no green cones; the most common form, about 1% of men; ΔE 50.8 from the original

Tritanopia#C5213Dno blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text5.74:1WCAG large text: AAA

Contrast with black, large text3.66:1WCAG large text: AA

Named colours

Brown · ΔE 6.3 Firebrick · ΔE 12.4 Indian red · ΔE 13.1 Sienna · ΔE 18.5 Dark red · ΔE 19.2 Maroon · ΔE 19.4

Nearest named CSS colourBrown (#A52A2A)ΔE 6.3, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37ACB3

Analogous#B3376E, #B37C37

Triadic#37B33E, #3E37B3

Split complementary#37B37C, #376EB3

Tetradic#6EB337, #37ACB3, #7C37B3

Tints, shades & saturation

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

Lighter +40%#EECAC8

Lighter +30%#E2A5A1

Lighter +20%#D67F7A

Lighter +10%#CA5A53

Darker −10%#8C302B

Darker −20%#65231F

Darker −30%#3E1513

Darker −40%#170807

More saturated +25%#D0241A

Less saturated −25%#965854

Channel breakdown

R179

G62

B55

Red179 (70.2%)

Green62 (24.3%)

Blue55 (21.6%)

Hue3.39°

Saturation (HSL)52.99%

Lightness45.88%

Dominant channelRed

Hex per channelR B3 · G 3E · B 37

Keep nerding

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

#B33E37

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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