Recognised as Colour

#BB0024

#BB0024
Red
Dark
Nearest: Firebrick

#BB0024 is a red with RGB values 187, 0, 36 and HSL 348°, 100%, 37%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BB0024#BB0024

HEX#BB0024

RGBrgb(187, 0, 36)

RGB (0–1)0.7333, 0, 0.1412

RGB percentages73.3%, 0%, 14.1%

HSLhsl(348.4, 100%, 36.7%)

HSV / HSBhsv(348.4, 100%, 73.3%)

CMYK0%, 100%, 80.7%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,255,268

CSS custom property--colour: #BB0024;

Brightness & contrast

Relative luminance0.10692WCAG 2.x, 0 is black and 1 is white

Perceived brightness103 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.69:1

Contrast with white6.69:1WCAG normal text: AA

Contrast with black3.14:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#44FFDB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4423no red cones; affects about 1% of men; ΔE 68.5 from the original

Deuteranopia#75691Bno green cones; the most common form, about 1% of men; ΔE 69 from the original

Tritanopia#CF0015no blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

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

Contrast with white, large text6.69:1WCAG large text: AAA

Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Firebrick · ΔE 8.1 Crimson · ΔE 11.1 Brown · ΔE 15.8 Dark red · ΔE 17.6 Maroon · ΔE 21 Tomato · ΔE 25.7

Nearest named CSS colourFirebrick (#B22222)ΔE 8.14, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00BB97

Analogous#BB0081, #BB3900

Triadic#24BB00, #0024BB

Split complementary#00BB39, #0081BB

Tetradic#82BB00, #00BB97, #3A00BB

Tints, shades & saturation

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

Lighter +40%#FF889F

Lighter +30%#FF5576

Lighter +20%#FF224D

Lighter +10%#EE002E

Darker −10%#88001A

Darker −20%#550010

Darker −30%#220007

Darker −40%#000000

More saturated +25%#BB0024

Less saturated −25%#A41732

Channel breakdown

R187

B36

Red187 (73.3%)

Green0 (0%)

Blue36 (14.1%)

Hue348.45°

Saturation (HSL)100%

Lightness36.67%

Dominant channelRed

Hex per channelR BB · G 00 · B 24

Keep nerding

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

#BB0024

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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