Recognised as Colour

#BB0C00

#BB0C00
Red
Dark
Nearest: Firebrick

#BB0C00 is a red with RGB values 187, 12, 0 and HSL 4°, 100%, 37%. 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

#BB0C00#BB0C00

HEX#BB0C00

RGBrgb(187, 12, 0)

RGB (0–1)0.7333, 0.0471, 0

RGB percentages73.3%, 4.7%, 0%

HSLhsl(3.9, 100%, 36.7%)

HSV / HSBhsv(3.9, 100%, 73.3%)

CMYK0%, 93.6%, 100%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,258,304

CSS custom property--colour: #BB0C00;

Brightness & contrast

Relative luminance0.10828WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.63:1

Contrast with white6.63:1WCAG normal text: AA

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

Greyscale equivalent#303030

Inverted#44F3FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504500no red cones; affects about 1% of men; ΔE 67.3 from the original

Deuteranopia#776900no green cones; the most common form, about 1% of men; ΔE 66.8 from the original

Tritanopia#CF000Fno 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 text6.63:1WCAG large text: AAA

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

Named colours

Firebrick · ΔE 16.9 Dark red · ΔE 19.9 Crimson · ΔE 23 Tomato · ΔE 24.3 Orange red · ΔE 24.7 Maroon · ΔE 25

Nearest named CSS colourFirebrick (#B22222)ΔE 16.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AFBB

Analogous#BB0051, #BB6A00

Triadic#00BB0C, #0C00BB

Split complementary#00BB6A, #0051BB

Tetradic#51BB00, #00AFBB, #6A00BB

Tints, shades & saturation

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

Lighter +40%#FF9088

Lighter +30%#FF6055

Lighter +20%#FF3022

Lighter +10%#EE0F00

Darker −10%#880900

Darker −20%#550500

Darker −30%#220200

Darker −40%#000000

More saturated +25%#BB0C00

Less saturated −25%#A42017

Channel breakdown

R187

G12

Red187 (73.3%)

Green12 (4.7%)

Blue0 (0%)

Hue3.85°

Saturation (HSL)100%

Lightness36.67%

Dominant channelRed

Hex per channelR BB · G 0C · B 00

Keep nerding

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

#BB0C00

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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