Recognised as Colour
#F53B68
- #F53B68
- Red
- Dark
- Nearest: Crimson
#F53B68 is a red with RGB values 245, 59, 104 and HSL 345°, 90%, 60%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F53B68#F53B68
HEX#F53B68
RGBrgb(245, 59, 104)
RGB (0–1)0.9608, 0.2314, 0.4078
RGB percentages96.1%, 23.1%, 40.8%
HSLhsl(345.5, 90.3%, 59.6%)
HSV / HSBhsv(345.5, 75.9%, 96.1%)
CMYK0%, 75.9%, 57.6%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,071,528
CSS custom property--colour: #F53B68;
Brightness & contrast
Relative luminance0.2354WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.71:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.71:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#0AC497
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.71:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3BF5C8
Analogous#F53BC5, #F56B3B
Triadic#68F53B, #3B68F5
Split complementary#3BF56B, #3BC5F5
Tetradic#C5F53B, #3BF5C8, #6B3BF5
Tints, shades & saturation
Channel breakdown
R245
G59
B104
Red245 (96.1%)
Green59 (23.1%)
Blue104 (40.8%)
Hue345.48°
Saturation (HSL)90.29%
Lightness59.61%
Dominant channelRed
Hex per channelR F5 · G 3B · B 68
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Also reads as
F53B68 (chemical formula)
- Formula
- 1,741.974 g/mol
- 121 atoms
F53B68 has a molar mass of 1,741.974 g/mol, made up of 121 atoms across 2 elements: 53 × F, 68 × B.
Molar mass
Molar mass1,741.974 g/mol
Total atoms per molecule121
Distinct elements2
Mass of one molecule2.8926159 × 10^-21 g
Molecules per gram3.4570784 × 10^20
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
F57.8%
B42.2%
Fluorine (F × 53)1,006.894 g/mol, 57.802%
Boron (B × 68)735.08 g/mol, 42.198%
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