Colour

#C0000B

#C0000B
Red
Dark
Nearest: Firebrick

#C0000B is a red with RGB values 192, 0, 11 and HSL 357°, 100%, 38%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C0000B#C0000B

HEX#C0000B

RGBrgb(192, 0, 11)

RGB (0–1)0.7529, 0, 0.0431

RGB percentages75.3%, 0%, 4.3%

HSLhsl(356.6, 100%, 37.6%)

HSV / HSBhsv(356.6, 100%, 75.3%)

CMYK0%, 100%, 94.3%, 24.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,582,923

CSS custom property--colour: #C0000B;

Brightness & contrast

Relative luminance0.11231WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.47:1

Contrast with white6.47:1WCAG normal text: AA

Contrast with black3.25:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#3FFFF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504605no red cones; affects about 1% of men; ΔE 70.1 from the original

Deuteranopia#796B00no green cones; the most common form, about 1% of men; ΔE 69.6 from the original

Tritanopia#D4000Cno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

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

Contrast with white, large text6.47:1WCAG large text: AAA

Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.5 Crimson · ΔE 19.2 Dark red · ΔE 20.4 Tomato · ΔE 23.6 Brown · ΔE 25 Maroon · ΔE 25.3

Nearest named CSS colourFirebrick (#B22222)ΔE 15.54, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C0B5

Analogous#C0006B, #C05500

Triadic#0BC000, #000BC0

Split complementary#00C055, #006BC0

Tetradic#6BC000, #00C0B5, #5500C0

Tints, shades & saturation

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

Lighter +40%#FF8D94

Lighter +30%#FF5A63

Lighter +20%#FF2733

Lighter +10%#F3000E

Darker −10%#8D0008

Darker −20%#5A0005

Darker −30%#270002

Darker −40%#000000

More saturated +25%#C0000B

Less saturated −25%#A81820

Channel breakdown

R192

B11

Red192 (75.3%)

Green0 (0%)

Blue11 (4.3%)

Hue356.56°

Saturation (HSL)100%

Lightness37.65%

Dominant channelRed

Hex per channelR C0 · G 00 · B 0B

Keep nerding

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

#C0000B

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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