Recognised as Colour

#B73D27

#B73D27
Red
Dark
Nearest: Firebrick

#B73D27 is a red with RGB values 183, 61, 39 and HSL 9°, 65%, 44%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B73D27#B73D27

HEX#B73D27

RGBrgb(183, 61, 39)

RGB (0–1)0.7176, 0.2392, 0.1529

RGB percentages71.8%, 23.9%, 15.3%

HSLhsl(9.2, 64.9%, 43.5%)

HSV / HSBhsv(9.2, 78.7%, 71.8%)

CMYK0%, 66.7%, 78.7%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,008,743

CSS custom property--colour: #B73D27;

Brightness & contrast

Relative luminance0.13551WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.66:1

Contrast with white5.66:1WCAG normal text: AA

Contrast with black3.71:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#48C2D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605624no red cones; affects about 1% of men; ΔE 52.5 from the original

Deuteranopia#7E7122no green cones; the most common form, about 1% of men; ΔE 52.9 from the original

Tritanopia#C91839no blue cones; rare, and affects men and women equally; ΔE 19.8 from the original

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

Contrast with white, large text5.66:1WCAG large text: AAA

Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Firebrick · ΔE 9.2 Brown · ΔE 11.1 Dark red · ΔE 15.8 Maroon · ΔE 18.1 Sienna · ΔE 19.2 Indian red · ΔE 20.5

Nearest named CSS colourFirebrick (#B22222)ΔE 9.23, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27A1B7

Analogous#B72759, #B78527

Triadic#27B73D, #3D27B7

Split complementary#27B785, #2759B7

Tetradic#59B727, #27A1B7, #8527B7

Tints, shades & saturation

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

Lighter +40%#F0C2BA

Lighter +30%#E79D90

Lighter +20%#DE7866

Lighter +10%#D5533C

Darker −10%#8D2F1E

Darker −20%#632115

Darker −30%#39130C

Darker −40%#0F0503

More saturated +25%#D32A0B

Less saturated −25%#9B5043

Channel breakdown

R183

G61

B39

Red183 (71.8%)

Green61 (23.9%)

Blue39 (15.3%)

Hue9.17°

Saturation (HSL)64.86%

Lightness43.53%

Dominant channelRed

Hex per channelR B7 · G 3D · B 27

Keep nerding

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

#B73D27

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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