Recognised as Colour

#BB0D05

#BB0D05
Red
Dark
Nearest: Firebrick

#BB0D05 is a red with RGB values 187, 13, 5 and HSL 3°, 95%, 38%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BB0D05#BB0D05

HEX#BB0D05

RGBrgb(187, 13, 5)

RGB (0–1)0.7333, 0.051, 0.0196

RGB percentages73.3%, 5.1%, 2%

HSLhsl(2.6, 94.8%, 37.6%)

HSV / HSBhsv(2.6, 97.3%, 73.3%)

CMYK0%, 93%, 97.3%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,258,565

CSS custom property--colour: #BB0D05;

Brightness & contrast

Relative luminance0.10864WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.62:1

Contrast with white6.62:1WCAG normal text: AA

Contrast with black3.17:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#44F2FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504500no red cones; affects about 1% of men; ΔE 66.9 from the original

Deuteranopia#776900no green cones; the most common form, about 1% of men; ΔE 66.7 from the original

Tritanopia#CF0011no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original

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

Contrast with white, large text6.62:1WCAG large text: AAA

Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.2 Dark red · ΔE 18.8 Crimson · ΔE 21.4 Tomato · ΔE 23.8 Maroon · ΔE 23.9 Brown · ΔE 24.4

Nearest named CSS colourFirebrick (#B22222)ΔE 15.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05B3BB

Analogous#BB0558, #BB6805

Triadic#05BB0D, #0D05BB

Split complementary#05BB68, #0558BB

Tetradic#58BB05, #05B3BB, #6805BB

Tints, shades & saturation

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

Lighter +40%#FC9590

Lighter +30%#FB655E

Lighter +20%#F9362D

Lighter +10%#ED1006

Darker −10%#890A04

Darker −20%#580602

Darker −30%#260301

Darker −40%#000000

More saturated +25%#C00800

Less saturated −25%#A3231D

Channel breakdown

R187

G13

Red187 (73.3%)

Green13 (5.1%)

Blue5 (2%)

Hue2.64°

Saturation (HSL)94.79%

Lightness37.65%

Dominant channelRed

Hex per channelR BB · G 0D · B 05

Keep nerding

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

#BB0D05

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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