Recognised as Colour
#FF5227
- #FF5227
- Red
- Dark
- Nearest: Orange red
#FF5227 is a red with RGB values 255, 82, 39 and HSL 12°, 100%, 58%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#FF5227#FF5227
HEX#FF5227
RGBrgb(255, 82, 39)
RGB (0–1)1, 0.3216, 0.1529
RGB percentages100%, 32.2%, 15.3%
HSLhsl(11.9, 100%, 57.6%)
HSV / HSBhsv(11.9, 84.7%, 100%)
CMYK0%, 67.8%, 84.7%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,732,711
CSS custom property--colour: #FF5227;
Brightness & contrast
Relative luminance0.27441WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#00ADD8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27D4FF
Analogous#FF2768, #FFBE27
Triadic#27FF52, #5227FF
Split complementary#27FFBE, #2768FF
Tetradic#68FF27, #27D4FF, #BE27FF
Tints, shades & saturation
Channel breakdown
R255
G82
B39
Red255 (100%)
Green82 (32.2%)
Blue39 (15.3%)
Hue11.94°
Saturation (HSL)100%
Lightness57.65%
Dominant channelRed
Hex per channelR FF · G 52 · B 27
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Also reads as
FF5227 (chemical formula)
- Formula
- 99,321.544 g/mol
- 5228 atoms
FF5227 has a molar mass of 99,321.544 g/mol, made up of 5228 atoms across 1 element: 5228 × F.
Molar mass
Molar mass99,321.544 g/mol
Total atoms per molecule5228
Distinct elements1
Mass of one molecule1.649273 × 10^-19 g
Molecules per gram6.0632774 × 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
F100%
Fluorine (F × 5228)99,321.544 g/mol, 100%
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