Recognised as Colour
#F32107
- #F32107
- Red
- Dark
- Nearest: Red
#F32107 is a red with RGB values 243, 33, 7 and HSL 7°, 94%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F32107#F32107
HEX#F32107
RGBrgb(243, 33, 7)
RGB (0–1)0.9529, 0.1294, 0.0275
RGB percentages95.3%, 12.9%, 2.7%
HSLhsl(6.6, 94.4%, 49%)
HSV / HSBhsv(6.6, 97.1%, 95.3%)
CMYK0%, 86.4%, 97.1%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,933,703
CSS custom property--colour: #F32107;
Brightness & contrast
Relative luminance0.20158WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#4C4C4C
Inverted#0CDEF8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07D9F3
Analogous#F30763, #F39707
Triadic#07F321, #2107F3
Split complementary#07F397, #0763F3
Tetradic#63F307, #07D9F3, #9707F3
Tints, shades & saturation
Channel breakdown
R243
G33
B7
Red243 (95.3%)
Green33 (12.9%)
Blue7 (2.7%)
Hue6.61°
Saturation (HSL)94.4%
Lightness49.02%
Dominant channelRed
Hex per channelR F3 · G 21 · B 07
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Also reads as
F32107 (chemical formula)
- Formula
- 609,968.786 g/mol
- 32107 atoms
F32107 has a molar mass of 609,968.786 g/mol, made up of 32107 atoms across 1 element: 32107 × F.
Molar mass
Molar mass609,968.786 g/mol
Total atoms per molecule32107
Distinct elements1
Mass of one molecule1.012877 × 10^-18 g
Molecules per gram9.8728671 × 10^17
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
F100%
Fluorine (F × 32107)609,968.786 g/mol, 100%
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