Colour

#B9371F

#B9371F
Red
Dark
Nearest: Firebrick

#B9371F is a red with RGB values 185, 55, 31 and HSL 9°, 71%, 42%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B9371F#B9371F

HEX#B9371F

RGBrgb(185, 55, 31)

RGB (0–1)0.7255, 0.2157, 0.1216

RGB percentages72.5%, 21.6%, 12.2%

HSLhsl(9.4, 71.3%, 42.4%)

HSV / HSBhsv(9.4, 83.2%, 72.5%)

CMYK0%, 70.3%, 83.2%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,138,271

CSS custom property--colour: #B9371F;

Brightness & contrast

Relative luminance0.13146WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.79:1

Contrast with white5.79:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#46C8E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E531Bno red cones; affects about 1% of men; ΔE 55.3 from the original

Deuteranopia#7E7018no green cones; the most common form, about 1% of men; ΔE 55.6 from the original

Tritanopia#CC0033no blue cones; rare, and affects men and women equally; ΔE 20.4 from the original

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

Contrast with white, large text5.79:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Firebrick · ΔE 8.5 Brown · ΔE 14 Dark red · ΔE 15 Maroon · ΔE 18.5 Tomato · ΔE 20.6 Crimson · ΔE 22.6

Nearest named CSS colourFirebrick (#B22222)ΔE 8.52, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FA1B9

Analogous#B91F54, #B9841F

Triadic#1FB937, #371FB9

Split complementary#1FB984, #1F54B9

Tetradic#54B91F, #1FA1B9, #841FB9

Tints, shades & saturation

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

Lighter +40%#F2BCB2

Lighter +30%#EB9686

Lighter +20%#E3705B

Lighter +10%#DC4A2F

Darker −10%#8D2A18

Darker −20%#621D10

Darker −30%#361009

Darker −40%#0A0302

More saturated +25%#D42404

Less saturated −25%#9E4A3A

Channel breakdown

R185

G55

B31

Red185 (72.5%)

Green55 (21.6%)

Blue31 (12.2%)

Hue9.35°

Saturation (HSL)71.3%

Lightness42.35%

Dominant channelRed

Hex per channelR B9 · G 37 · B 1F

Keep nerding

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

#B9371F

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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