Recognised as Colour
#B25436
- #B25436
- Red
- Dark
- Nearest: Sienna
#B25436 is a red with RGB values 178, 84, 54 and HSL 15°, 53%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#B25436#B25436
HEX#B25436
RGBrgb(178, 84, 54)
RGB (0–1)0.698, 0.3294, 0.2118
RGB percentages69.8%, 32.9%, 21.2%
HSLhsl(14.5, 53.4%, 45.5%)
HSV / HSBhsv(14.5, 69.7%, 69.8%)
CMYK0%, 52.8%, 69.7%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,686,966
CSS custom property--colour: #B25436;
Brightness & contrast
Relative luminance0.16072WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.21:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#4DABC9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.21:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3694B2
Analogous#B23656, #B29236
Triadic#36B254, #5436B2
Split complementary#36B292, #3656B2
Tetradic#56B236, #3694B2, #9236B2
Tints, shades & saturation
Channel breakdown
R178
G84
B54
Red178 (69.8%)
Green84 (32.9%)
Blue54 (21.2%)
Hue14.52°
Saturation (HSL)53.45%
Lightness45.49%
Dominant channelRed
Hex per channelR B2 · G 54 · B 36
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Harmonies
Similar named colours
Also reads as
B25436 (chemical formula)
- Formula
- 274,963.16 g/mol
- 25436 atoms
B25436 has a molar mass of 274,963.16 g/mol, made up of 25436 atoms across 1 element: 25436 × B.
Molar mass
Molar mass274,963.16 g/mol
Total atoms per molecule25436
Distinct elements1
Mass of one molecule4.5658707 × 10^-19 g
Molecules per gram2.1901628 × 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
B100%
Boron (B × 25436)274,963.16 g/mol, 100%
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