Recognised as Colour

#BB0D37

#BB0D37
Red
Dark
Nearest: Crimson

#BB0D37 is a red with RGB values 187, 13, 55 and HSL 346°, 87%, 39%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#BB0D37#BB0D37

HEX#BB0D37

RGBrgb(187, 13, 55)

RGB (0–1)0.7333, 0.051, 0.2157

RGB percentages73.3%, 5.1%, 21.6%

HSLhsl(345.5, 87%, 39.2%)

HSV / HSBhsv(345.5, 93%, 73.3%)

CMYK0%, 93%, 70.6%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,258,615

CSS custom property--colour: #BB0D37;

Brightness & contrast

Relative luminance0.11128WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.51:1

Contrast with white6.51:1WCAG normal text: AA

Contrast with black3.23:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#44F2C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4737no red cones; affects about 1% of men; ΔE 66.9 from the original

Deuteranopia#756A32no green cones; the most common form, about 1% of men; ΔE 67.3 from the original

Tritanopia#CE0023no blue cones; rare, and affects men and women equally; ΔE 17.8 from the original

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

Contrast with white, large text6.51:1WCAG large text: AAA

Contrast with black, large text3.23:1WCAG large text: AA

Named colours

Crimson · ΔE 12.8 Firebrick · ΔE 13.5 Brown · ΔE 14.4 Dark red · ΔE 22.6 Indian red · ΔE 23.3 Maroon · ΔE 24

Nearest named CSS colourCrimson (#DC143C)ΔE 12.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0DBB91

Analogous#BB0D8E, #BB3A0D

Triadic#37BB0D, #0D37BB

Split complementary#0DBB3A, #0D8EBB

Tetradic#8EBB0D, #0DBB91, #3A0DBB

Tints, shades & saturation

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

Lighter +40%#F89CB2

Lighter +30%#F56C8D

Lighter +20%#F13D68

Lighter +10%#EB1045

Darker −10%#8B0A29

Darker −20%#5C061B

Darker −30%#2C030D

Darker −40%#000000

More saturated +25%#C80030

Less saturated −25%#A22644

Channel breakdown

R187

G13

B55

Red187 (73.3%)

Green13 (5.1%)

Blue55 (21.6%)

Hue345.52°

Saturation (HSL)87%

Lightness39.22%

Dominant channelRed

Hex per channelR BB · G 0D · B 37

Keep nerding

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

#BB0D37

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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