Colour

#C10009

#C10009
Red
Dark
Nearest: Firebrick

#C10009 is a red with RGB values 193, 0, 9 and HSL 357°, 100%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C10009#C10009

HEX#C10009

RGBrgb(193, 0, 9)

RGB (0–1)0.7569, 0, 0.0353

RGB percentages75.7%, 0%, 3.5%

HSLhsl(357.2, 100%, 37.8%)

HSV / HSBhsv(357.2, 100%, 75.7%)

CMYK0%, 100%, 95.3%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,648,457

CSS custom property--colour: #C10009;

Brightness & contrast

Relative luminance0.11357WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.42:1

Contrast with white6.42:1WCAG normal text: AA

Contrast with black3.27:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#3EFFF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504603no red cones; affects about 1% of men; ΔE 70.4 from the original

Deuteranopia#7A6C00no green cones; the most common form, about 1% of men; ΔE 69.9 from the original

Tritanopia#D6000Bno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original

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

Contrast with white, large text6.42:1WCAG large text: AAA

Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Firebrick · ΔE 16.4 Crimson · ΔE 19.8 Dark red · ΔE 21 Tomato · ΔE 23.7 Orange red · ΔE 25 Red · ΔE 25.5

Nearest named CSS colourFirebrick (#B22222)ΔE 16.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C1B8

Analogous#C1006A, #C15700

Triadic#09C100, #0009C1

Split complementary#00C157, #006AC1

Tetradic#6AC100, #00C1B8, #5700C1

Tints, shades & saturation

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

Lighter +40%#FF8E93

Lighter +30%#FF5B63

Lighter +20%#FF2832

Lighter +10%#F4000B

Darker −10%#8E0007

Darker −20%#5B0004

Darker −30%#280002

Darker −40%#000000

More saturated +25%#C10009

Less saturated −25%#A9181F

Channel breakdown

R193

Red193 (75.7%)

Green0 (0%)

Blue9 (3.5%)

Hue357.2°

Saturation (HSL)100%

Lightness37.84%

Dominant channelRed

Hex per channelR C1 · G 00 · B 09

Keep nerding

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

#C10009

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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