Recognised as Colour
#FB5925
- #FB5925
- Red
- Dark
- Nearest: Orange red
#FB5925 is a red with RGB values 251, 89, 37 and HSL 15°, 96%, 56%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#FB5925#FB5925
HEX#FB5925
RGBrgb(251, 89, 37)
RGB (0–1)0.9843, 0.349, 0.1451
RGB percentages98.4%, 34.9%, 14.5%
HSLhsl(14.6, 96.4%, 56.5%)
HSV / HSBhsv(14.6, 85.3%, 98.4%)
CMYK0%, 64.5%, 85.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,472,357
CSS custom property--colour: #FB5925;
Brightness & contrast
Relative luminance0.27788WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.56:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.56:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#04A6DA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.56:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#25C7FB
Analogous#FB255C, #FBC425
Triadic#25FB59, #5925FB
Split complementary#25FBC4, #255CFB
Tetradic#5CFB25, #25C7FB, #C425FB
Tints, shades & saturation
Channel breakdown
R251
G89
B37
Red251 (98.4%)
Green89 (34.9%)
Blue37 (14.5%)
Hue14.58°
Saturation (HSL)96.4%
Lightness56.47%
Dominant channelRed
Hex per channelR FB · G 59 · B 25
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Also reads as
FB5925 (chemical formula)
- Formula
- 64,068.248 g/mol
- 5926 atoms
FB5925 has a molar mass of 64,068.248 g/mol, made up of 5926 atoms across 2 elements: 1 × F, 5925 × B.
Molar mass
Molar mass64,068.248 g/mol
Total atoms per molecule5926
Distinct elements2
Mass of one molecule1.0638783 × 10^-19 g
Molecules per gram9.3995715 × 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
F0%
B100%
Fluorine (F)18.998 g/mol, 0.03%
Boron (B × 5925)64,049.25 g/mol, 99.97%
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