Recognised as Colour
#F8405C
- #F8405C
- Red
- Dark
- Nearest: Crimson
#F8405C is a red with RGB values 248, 64, 92 and HSL 351°, 93%, 61%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F8405C#F8405C
HEX#F8405C
RGBrgb(248, 64, 92)
RGB (0–1)0.9725, 0.251, 0.3608
RGB percentages97.3%, 25.1%, 36.1%
HSLhsl(350.9, 92.9%, 61.2%)
HSV / HSBhsv(350.9, 74.2%, 97.3%)
CMYK0%, 74.2%, 62.9%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,269,404
CSS custom property--colour: #F8405C;
Brightness & contrast
Relative luminance0.24396WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.88:1
Contrast with white3.57:1WCAG normal text: Fail
Contrast with black5.88:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#07BFA3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.57:1WCAG large text: AA
Contrast with black, large text5.88:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#40F8DC
Analogous#F840B8, #F88040
Triadic#5CF840, #405CF8
Split complementary#40F880, #40B8F8
Tetradic#B8F840, #40F8DC, #8040F8
Tints, shades & saturation
Channel breakdown
R248
G64
B92
Red248 (97.3%)
Green64 (25.1%)
Blue92 (36.1%)
Hue350.87°
Saturation (HSL)92.93%
Lightness61.18%
Dominant channelRed
Hex per channelR F8 · G 40 · B 5C
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Also reads as
F8405C (chemical formula)
- Formula
- 159,690.201 g/mol
- 8406 atoms
F8405C has a molar mass of 159,690.201 g/mol, made up of 8406 atoms across 2 elements: 8405 × F, 1 × C.
Molar mass
Molar mass159,690.201 g/mol
Total atoms per molecule8406
Distinct elements2
Mass of one molecule2.6517182 × 10^-19 g
Molecules per gram3.7711398 × 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%
C0%
Fluorine (F × 8405)159,678.19 g/mol, 99.992%
Carbon (C)12.011 g/mol, 0.008%
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