Recognised as Colour
#F25561
- #F25561
- Red
- Dark
- Nearest: Crimson
#F25561 is a red with RGB values 242, 85, 97 and HSL 355°, 86%, 64%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F25561#F25561
HEX#F25561
RGBrgb(242, 85, 97)
RGB (0–1)0.949, 0.3333, 0.3804
RGB percentages94.9%, 33.3%, 38%
HSLhsl(355.4, 85.8%, 64.1%)
HSV / HSBhsv(355.4, 64.9%, 94.9%)
CMYK0%, 64.9%, 59.9%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,881,569
CSS custom property--colour: #F25561;
Brightness & contrast
Relative luminance0.26237WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.1 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#777777
Inverted#0DAA9E
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 familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#55F2E6
Analogous#F255B0, #F29755
Triadic#61F255, #5561F2
Split complementary#55F297, #55B0F2
Tetradic#B0F255, #55F2E6, #9755F2
Tints, shades & saturation
Channel breakdown
R242
G85
B97
Red242 (94.9%)
Green85 (33.3%)
Blue97 (38%)
Hue355.41°
Saturation (HSL)85.79%
Lightness64.12%
Dominant channelRed
Hex per channelR F2 · G 55 · B 61
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Also reads as
F25561 (chemical formula)
- Formula
- 485,607.878 g/mol
- 25561 atoms
F25561 has a molar mass of 485,607.878 g/mol, made up of 25561 atoms across 1 element: 25561 × F.
Molar mass
Molar mass485,607.878 g/mol
Total atoms per molecule25561
Distinct elements1
Mass of one molecule8.0637085 × 10^-19 g
Molecules per gram1.2401242 × 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 × 25561)485,607.878 g/mol, 100%
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