Recognised as Colour

#C10407

#C10407
Red
Dark
Nearest: Firebrick

#C10407 is a red with RGB values 193, 4, 7 and HSL 359°, 96%, 39%. 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

#C10407#C10407

HEX#C10407

RGBrgb(193, 4, 7)

RGB (0–1)0.7569, 0.0157, 0.0275

RGB percentages75.7%, 1.6%, 2.7%

HSLhsl(359, 95.9%, 38.6%)

HSV / HSBhsv(359, 97.9%, 75.7%)

CMYK0%, 97.9%, 96.4%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,649,479

CSS custom property--colour: #C10407;

Brightness & contrast

Relative luminance0.1144WCAG 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 6.39:1

Contrast with white6.39:1WCAG normal text: AA

Contrast with black3.29:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#3EFBF8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514700no red cones; affects about 1% of men; ΔE 70 from the original

Deuteranopia#7B6C00no green cones; the most common form, about 1% of men; ΔE 69 from the original

Tritanopia#D6000Dno blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

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

Contrast with white, large text6.39:1WCAG large text: AAA

Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Firebrick · ΔE 16.8 Crimson · ΔE 20.6 Dark red · ΔE 21.2 Tomato · ΔE 23.6 Orange red · ΔE 24.4 Red · ΔE 25.3

Nearest named CSS colourFirebrick (#B22222)ΔE 16.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C1BE

Analogous#C10465, #C15F04

Triadic#07C104, #0407C1

Split complementary#04C15F, #0466C1

Tetradic#66C104, #04C1BE, #6004C1

Tints, shades & saturation

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

Lighter +40%#FD9496

Lighter +30%#FC6265

Lighter +20%#FB3033

Lighter +10%#F30509

Darker −10%#8F0305

Darker −20%#5D0203

Darker −30%#2B0102

Darker −40%#000000

More saturated +25%#C50003

Less saturated −25%#A81D1F

Channel breakdown

R193

Red193 (75.7%)

Green4 (1.6%)

Blue7 (2.7%)

Hue359.05°

Saturation (HSL)95.94%

Lightness38.63%

Dominant channelRed

Hex per channelR C1 · G 04 · B 07

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C10407 (chemical formula)

Formula
124,998.477 g/mol
10407 atoms

C10407 has a molar mass of 124,998.477 g/mol, made up of 10407 atoms across 1 element: 10407 × C.

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Molar mass

Molar mass124,998.477 g/mol

Total atoms per molecule10407

Distinct elements1

Mass of one molecule2.0756485 × 10^-19 g

Molecules per gram4.8177713 × 10^18

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

C100%

Carbon (C × 10407)124,998.477 g/mol, 100%

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Elements in this formula

Carbon

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