Recognised as Colour
#FF1502
- #FF1502
- Red
- Dark
- Nearest: Red
#FF1502 is a red with RGB values 255, 21, 2 and HSL 5°, 100%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#FF1502#FF1502
HEX#FF1502
RGBrgb(255, 21, 2)
RGB (0–1)1, 0.0824, 0.0078
RGB percentages100%, 8.2%, 0.8%
HSLhsl(4.5, 100%, 50.4%)
HSV / HSBhsv(4.5, 99.2%, 100%)
CMYK0%, 91.8%, 99.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,717,058
CSS custom property--colour: #FF1502;
Brightness & contrast
Relative luminance0.21801WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.36:1
Contrast with white3.92:1WCAG normal text: Fail
Contrast with black5.36:1WCAG normal text: AA
Greyscale equivalent#454545
Inverted#00EAFD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.92:1WCAG large text: AA
Contrast with black, large text5.36:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#02ECFF
Analogous#FF026E, #FF9302
Triadic#02FF15, #1502FF
Split complementary#02FF94, #026DFF
Tetradic#6EFF02, #02ECFF, #9402FF
Tints, shades & saturation
Channel breakdown
R255
G21
B2
Red255 (100%)
Green21 (8.2%)
Blue2 (0.8%)
Hue4.51°
Saturation (HSL)100%
Lightness50.39%
Dominant channelRed
Hex per channelR FF · G 15 · B 02
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Also reads as
FF1502 (chemical formula)
- Formula
- 28,553.994 g/mol
- 1503 atoms
FF1502 has a molar mass of 28,553.994 g/mol, made up of 1503 atoms across 1 element: 1503 × F.
Molar mass
Molar mass28,553.994 g/mol
Total atoms per molecule1503
Distinct elements1
Mass of one molecule4.7415023 × 10^-20 g
Molecules per gram2.1090362 × 10^19
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 × 1503)28,553.994 g/mol, 100%
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