Recognised as Colour
#F57F7B
- #F57F7B
- Red
- Dark
- Nearest: Light coral
#F57F7B is a red with RGB values 245, 127, 123 and HSL 2°, 86%, 72%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light coral.
Colour values
#F57F7B#F57F7B
HEX#F57F7B
RGBrgb(245, 127, 123)
RGB (0–1)0.9608, 0.498, 0.4824
RGB percentages96.1%, 49.8%, 48.2%
HSLhsl(2, 85.9%, 72.2%)
HSV / HSBhsv(2, 49.8%, 96.1%)
CMYK0%, 48.2%, 49.8%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,088,955
CSS custom property--colour: #F57F7B;
Brightness & contrast
Relative luminance0.36021WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.2:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.2:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#0A8084
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.2:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#7BF1F5
Analogous#F57BB4, #F5BC7B
Triadic#7BF57F, #7F7BF5
Split complementary#7BF5BC, #7BB4F5
Tetradic#B4F57B, #7BF1F5, #BC7BF5
Tints, shades & saturation
Channel breakdown
R245
G127
B123
Red245 (96.1%)
Green127 (49.8%)
Blue123 (48.2%)
Hue1.97°
Saturation (HSL)85.92%
Lightness72.16%
Dominant channelRed
Hex per channelR F5 · G 7F · B 7B
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Also reads as
F57F7B (chemical formula)
- Formula
- 1,226.682 g/mol
- 65 atoms
F57F7B has a molar mass of 1,226.682 g/mol, made up of 65 atoms across 2 elements: 64 × F, 1 × B.
Molar mass
Molar mass1,226.682 g/mol
Total atoms per molecule65
Distinct elements2
Mass of one molecule2.0369534 × 10^-21 g
Molecules per gram4.9092925 × 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
F99.1%
B0.9%
Fluorine (F × 64)1,215.872 g/mol, 99.119%
Boron (B)10.81 g/mol, 0.881%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page