Recognised as Colour
#F8665C
- #F8665C
- Red
- Dark
- Nearest: Tomato
#F8665C is a red with RGB values 248, 102, 92 and HSL 4°, 92%, 67%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Tomato.
Colour values
#F8665C#F8665C
HEX#F8665C
RGBrgb(248, 102, 92)
RGB (0–1)0.9725, 0.4, 0.3608
RGB percentages97.3%, 40%, 36.1%
HSLhsl(3.8, 91.8%, 66.7%)
HSV / HSBhsv(3.8, 62.9%, 97.3%)
CMYK0%, 58.9%, 62.9%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,279,132
CSS custom property--colour: #F8665C;
Brightness & contrast
Relative luminance0.30232WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.05:1
Contrast with white2.98:1WCAG normal text: Fail
Contrast with black7.05:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#0799A3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.98:1WCAG large text: Fail
Contrast with black, large text7.05:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5CEEF8
Analogous#F85CA0, #F8B45C
Triadic#5CF866, #665CF8
Split complementary#5CF8B4, #5CA0F8
Tetradic#A0F85C, #5CEEF8, #B45CF8
Tints, shades & saturation
Channel breakdown
R248
G102
B92
Red248 (97.3%)
Green102 (40%)
Blue92 (36.1%)
Hue3.85°
Saturation (HSL)91.76%
Lightness66.67%
Dominant channelRed
Hex per channelR F8 · G 66 · B 5C
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Also reads as
F8665C (chemical formula)
- Formula
- 164,629.681 g/mol
- 8666 atoms
F8665C has a molar mass of 164,629.681 g/mol, made up of 8666 atoms across 2 elements: 8665 × F, 1 × C.
Molar mass
Molar mass164,629.681 g/mol
Total atoms per molecule8666
Distinct elements2
Mass of one molecule2.7337402 × 10^-19 g
Molecules per gram3.6579921 × 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 × 8665)164,617.67 g/mol, 99.993%
Carbon (C)12.011 g/mol, 0.007%
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