Recognised as Colour

#C12F29

#C12F29
Red
Dark
Nearest: Firebrick

#C12F29 is a red with RGB values 193, 47, 41 and HSL 2°, 65%, 46%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C12F29#C12F29

HEX#C12F29

RGBrgb(193, 47, 41)

RGB (0–1)0.7569, 0.1843, 0.1608

RGB percentages75.7%, 18.4%, 16.1%

HSLhsl(2.4, 65%, 45.9%)

HSV / HSBhsv(2.4, 78.8%, 75.7%)

CMYK0%, 75.6%, 78.8%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,660,521

CSS custom property--colour: #C12F29;

Brightness & contrast

Relative luminance0.13531WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.67:1

Contrast with white5.67:1WCAG normal text: AA

Contrast with black3.71:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#3ED0D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5327no red cones; affects about 1% of men; ΔE 61.4 from the original

Deuteranopia#807223no green cones; the most common form, about 1% of men; ΔE 61.1 from the original

Tritanopia#D5002Fno blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

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

Contrast with white, large text5.67:1WCAG large text: AAA

Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Firebrick · ΔE 4.8 Brown · ΔE 12.7 Crimson · ΔE 15.7 Dark red · ΔE 16.6 Tomato · ΔE 20 Maroon · ΔE 20

Nearest named CSS colourFirebrick (#B22222)ΔE 4.78, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29BBC1

Analogous#C1296F, #C17B29

Triadic#29C12F, #2F29C1

Split complementary#29C17B, #296FC1

Tetradic#6FC129, #29BBC1, #7B29C1

Tints, shades & saturation

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

Lighter +40%#F2C5C4

Lighter +30%#E99D9A

Lighter +20%#E1746F

Lighter +10%#D84B45

Darker −10%#972520

Darker −20%#6D1B17

Darker −30%#43100E

Darker −40%#190605

More saturated +25%#DE140C

Less saturated −25%#A44A46

Channel breakdown

R193

G47

B41

Red193 (75.7%)

Green47 (18.4%)

Blue41 (16.1%)

Hue2.37°

Saturation (HSL)64.96%

Lightness45.88%

Dominant channelRed

Hex per channelR C1 · G 2F · B 29

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C12F29 (chemical formula)

Formula
695.074 g/mol
41 atoms

C12F29 has a molar mass of 695.074 g/mol, made up of 41 atoms across 2 elements: 12 × C, 29 × F.

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Molar mass

Molar mass695.074 g/mol

Total atoms per molecule41

Distinct elements2

Mass of one molecule1.1541975 × 10^-21 g

Molecules per gram8.6640282 × 10^20

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

C20.7%

F79.3%

Carbon (C × 12)144.132 g/mol, 20.736%

Fluorine (F × 29)550.942 g/mol, 79.264%

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