Recognised as Colour
#F65603
- #F65603
- Orange
- Dark
- Nearest: Orange red
#F65603 is a orange with RGB values 246, 86, 3 and HSL 20°, 98%, 49%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#F65603#F65603
HEX#F65603
RGBrgb(246, 86, 3)
RGB (0–1)0.9647, 0.3373, 0.0118
RGB percentages96.5%, 33.7%, 1.2%
HSLhsl(20.5, 97.6%, 48.8%)
HSV / HSBhsv(20.5, 98.8%, 96.5%)
CMYK0%, 65%, 98.8%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,143,875
CSS custom property--colour: #F65603;
Brightness & contrast
Relative luminance0.26255WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.25:1
Contrast with white3.36:1WCAG normal text: Fail
Contrast with black6.25:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#09A9FC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.36:1WCAG large text: AA
Contrast with black, large text6.25:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#03A3F6
Analogous#F60329, #F6CF03
Triadic#03F656, #5603F6
Split complementary#03F6CF, #032AF6
Tetradic#2AF603, #03A3F6, #CF03F6
Tints, shades & saturation
Channel breakdown
R246
G86
B3
Red246 (96.5%)
Green86 (33.7%)
Blue3 (1.2%)
Hue20.49°
Saturation (HSL)97.59%
Lightness48.82%
Dominant channelRed
Hex per channelR F6 · G 56 · B 03
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Also reads as
F65603 (chemical formula)
- Formula
- 1,246,325.794 g/mol
- 65603 atoms
F65603 has a molar mass of 1,246,325.794 g/mol, made up of 65603 atoms across 1 element: 65603 × F.
Molar mass
Molar mass1,246,325.794 g/mol
Total atoms per molecule65603
Distinct elements1
Mass of one molecule2.0695727 × 10^-18 g
Molecules per gram4.8319154 × 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 × 65603)1,246,325.794 g/mol, 100%
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