Recognised as Colour
#F57C87
- #F57C87
- Red
- Dark
- Nearest: Light coral
#F57C87 is a red with RGB values 245, 124, 135 and HSL 355°, 86%, 72%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light coral.
Colour values
#F57C87#F57C87
HEX#F57C87
RGBrgb(245, 124, 135)
RGB (0–1)0.9608, 0.4863, 0.5294
RGB percentages96.1%, 48.6%, 52.9%
HSLhsl(354.5, 85.8%, 72.4%)
HSV / HSBhsv(354.5, 49.4%, 96.1%)
CMYK0%, 49.4%, 44.9%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,088,199
CSS custom property--colour: #F57C87;
Brightness & contrast
Relative luminance0.35577WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.12:1
Contrast with white2.59:1WCAG normal text: Fail
Contrast with black8.12:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#0A8378
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.59:1WCAG large text: Fail
Contrast with black, large text8.12:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7CF5EA
Analogous#F57CC4, #F5AE7C
Triadic#87F57C, #7C87F5
Split complementary#7CF5AD, #7CC4F5
Tetradic#C3F57C, #7CF5EA, #AD7CF5
Tints, shades & saturation
Channel breakdown
R245
G124
B135
Red245 (96.1%)
Green124 (48.6%)
Blue135 (52.9%)
Hue354.55°
Saturation (HSL)85.82%
Lightness72.35%
Dominant channelRed
Hex per channelR F5 · G 7C · B 87
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Harmonies
Similar named colours
Also reads as
F57C87 (chemical formula)
- Formula
- 2,127.843 g/mol
- 144 atoms
F57C87 has a molar mass of 2,127.843 g/mol, made up of 144 atoms across 2 elements: 57 × F, 87 × C.
Molar mass
Molar mass2,127.843 g/mol
Total atoms per molecule144
Distinct elements2
Mass of one molecule3.5333664 × 10^-21 g
Molecules per gram2.8301622 × 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
F50.9%
C49.1%
Fluorine (F × 57)1,082.886 g/mol, 50.891%
Carbon (C × 87)1,044.957 g/mol, 49.109%
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